Q: What is the sum of all factors of the number 80,720 excluding 80,720?
A: 107,140
The factors of the number 80,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 4036, 5045, 8072, 10090, 16144, 20180, 40360, 80720.
If you add them up, you will get the total of 80,827. Now subtract 80,720 to get 107,140