Q: What is the sum of all factors of the number 79,720 excluding 79,720?
A: 99,740
The factors of the number 79,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 15944, 19930, 39860, 79720.
If you add them up, you will get the total of 79,819. Now subtract 79,720 to get 99,740