Q: What is the sum of all factors of the number 1,291,880 excluding 1,291,880?
A: 1,614,940
The factors of the number 1,291,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 32297, 64594, 129188, 161485, 258376, 322970, 645940, 1291880.
If you add them up, you will get the total of 1,291,881. Now subtract 1,291,880 to get 1,614,940