Q: What is the sum of all factors of the number 1,160 excluding 1,160?
A: 1,540
The factors of the number 1,160 are: 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160.
If you add them up, you will get the total of 1,161. Now subtract 1,160 to get 1,540