ZZNU 正约数之和 2094

#include<iostream>
#include<cstring>
#include<queue>
#include<cstdio>
#include<stack>
#include<set>
#include<map>
#include<cmath>
#include<ctime>
#include<time.h> 
#include<algorithm>
#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define debug puts("debug")
#define LL unsigned long long 
#define pii pair<int,int>
#define eps 1e-10
#define inf 0x3f3f3f3f
LL MOD=1e9+7;


LL cal(int n){
    LL r=n;
    for(int i=2;i<=n;++i){
        r+=(n/i)*i;
    }
    return r;
}
int main(){
    int n,i,j,k;
    cin>>k;
    while(k--){
        scanf("%d",&n);
        printf("%lld\n",cal(n));
    }
    return 0;
}