#include <iostream>
#include <cstdio>

using namespace std;

#define MAXN 100010
int PHI[MAXN];
void preproc()
{
    PHI[1] = 1;
    for(int i  = 2; i <= MAXN; i++)
    {
        PHI[i] = i - 1;
    }

    for(int i = 2; i < MAXN; i++)
    {
        for(int j = 2 * i; j < MAXN; j += i)
        {
            PHI[j] -= PHI[i];
        }
    }
}

int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    int n,x;
    preproc();
    scanf("%d",&n);
    while(n--)
        {
            scanf("%d",&x);
            long long s=1LL * PHI[x] * x *2 ;
            printf("%lld\n",s);
        }
    return 0;
}