Q: What is the sum of all factors of the number 43,720 excluding 43,720?
A: 54,740
The factors of the number 43,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4372, 5465, 8744, 10930, 21860, 43720.
If you add them up, you will get the total of 43,774. Now subtract 43,720 to get 54,740