#include<cstdio>
#define NMAX 100000
int t,n,i,j,phi[2*NMAX+10];
using namespace std;
int main()
{
    freopen("sum.in","r",stdin);
    freopen("sum.out","w",stdout);
    scanf("%d",&t);
    for(i=2;i<=2*NMAX;i++)
    {
        phi[i]+=i-1;
        for(j=2*i;j<=2*NMAX;j+=i) phi[j]-=phi[i];
    }
    for(;t;--t)
    {
        scanf("%d",&n);
        printf("%lld\n",2LL*n*phi[n]);
    }
    return 0;
}