#include <fstream>
#include <cstdio>
using namespace std;

ifstream f("sum.in");

long long n, x;
int v[100001];

int main()
{
    f>>n;
    freopen("sum.out","w", stdout);

    for (int i=2; i<=100001; i++) v[i]=i-1;
    for (int i=2; i<=100001; i++)
        for (int j=i+i; j<=100001; j+=i) v[j]-=v[i];

    for (int i=1; i<=n; i++)
    {
        f>>x;
        printf("%lld\n", 1LL*v[x]*2*x);
    }

    return 0;
}