#include <stdio.h>
#include <math.h>
long n,x,j,i;
long long sum;
long long v[100005];
void aha()
{
  int i,j;
  for(i=1;i<=100000;i++)
   v[i]=i-1;
  for(i=2;i<=100000;i++)
  {
    j=2*i;
     while (j<=100000)
      {
       v[j]=v[j]-v[i];
       j=j+i;
      }
   }
  }
int main()
{
  aha();
  freopen("sum.in","r",stdin);
  freopen("sum.out","w",stdout);
  scanf("%ld\n",&n);
  for(i=1;i<=n;i++)
  {
   scanf("%ld\n",&x);
  sum=v[x]*x*2;
  printf("%lld\n",sum);
  }
  return 0;
}