#include<fstream>
using namespace std;
ifstream f("sum.in");
long long x,a[100010],i,n,j;
int main()
{
    freopen("sum.out","w",stdout);
    for(i=1;i<=100000;i++)
      a[i]=i-1;
    for(i=2;i<=100000;i++)
      for(j=i*2;j<=100000;j+=i)
        a[j]-=a[i];
    f>>n;
    for(i=1;i<=n;i++)
    {
        f>>x;
        printf("%lld\n",2*x*a[x]);
    }
    return 0;
}