#include <iostream>
#include <cstdio>
using namespace std;
int v[100002];
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int i,j,k,t,nr;
    for(i=2;i<=100000;i++)
        v[i]=i-1;
    for(i=2;i<=50000;i++)
        for(j=i*2;j<=100000;j+=i)
            v[j]-=v[i];
    scanf("%d", &t);
    for(k=1;k<=t;k++) {
        scanf("%d", &nr);
        cout<<1LL*2*nr*v[nr];
    }
}