#include <stdio.h>
#include <stdlib.h>
long long e[100000];
void calcul(){
    int p,j,i;
    p=1;
    for(i=2;i<=100000;i++)
        e[i]=i-1;
    for(i=2;i<=100000;i++)
        for(j=2*i;j<=100000;j+=i)
            e[j]-=e[i];
}
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int n,i,k;
    scanf("%d",&n);
    calcul();
    for(i=0;i<n;i++){
        scanf("%d",&k);
        printf("%lld\n",2*k*e[k]);
    }
    return 0;
}