Q: What is the sum of all factors of the number 39,664 excluding 39,664?
A: 40,440
The factors of the number 39,664 are: 1, 2, 4, 8, 16, 37, 67, 74, 134, 148, 268, 296, 536, 592, 1072, 2479, 4958, 9916, 19832, 39664.
If you add them up, you will get the total of 39,704. Now subtract 39,664 to get 40,440