Q: What is the sum of all factors of the number 109,640 excluding 109,640?
A: 137,140
The factors of the number 109,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 2741, 5482, 10964, 13705, 21928, 27410, 54820, 109640.
If you add them up, you will get the total of 109,777. Now subtract 109,640 to get 137,140