#include<fstream>
#include<cstdio>
const int max=100010;
using namespace std;
int v[100010],i,j,n,x;

int main()
{
	ifstream f("sum.in");
	ofstream g("sum.out");
	f >> n;
	for(i=2;i<max;i++) v[i]=i;
	for(i=2;i<max;i++)
		if(v[i]==i)
			for(j=i;j<max;j+=i) v[j]=v[j]/i*(i-1);
	for(i=1;i<=n;i++) {f >> x; g << (long long)v[x]*2*x << endl;}
			f.close();g.close();
	return 0;
}