#include <cstdio>
#define N 100005
using namespace std;
int i,phi[N],j,x,t;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    for(i=1;i<=N;i++)
        phi[i]=i-1;
    for(i=2;i<=N;i++)
        for(j=i+i;j<=N;j+=i)
            phi[j]-=phi[i];
    scanf("%d",&t);
    for(;t;t--)
    {
        scanf("%d",&x);
        printf("%lld",(2LL*x*phi[x]));
    }
    return 0;
}