#include<iostream> 
#include<fstream> 
#define maxn 100005 
using namespace std; 
  
ifstream f("sum.in"); 
ofstream g("sum.out"); 
  
  
int i,j,m,n; 
long long t[maxn]; 
  
  
int main() 
{ 
f>>n; 
  
for(i=2;i<=maxn;i++)t[i]=i-1; 
  
for(i=2;i<=maxn;i++) 
        for(j=i+i;j<=maxn;j+=i) 
                t[j]-=t[i]; 
while(n>0) 
        { 
        f>>i; 
        g<<(long long)2*t[i]*i<<'\n'; 
        n--; 
        } 
g.close(); 
return 0; 
}