Q: What is the sum of all factors of the number 81,140 excluding 81,140?
A: 89,296
The factors of the number 81,140 are: 1, 2, 4, 5, 10, 20, 4057, 8114, 16228, 20285, 40570, 81140.
If you add them up, you will get the total of 81,229. Now subtract 81,140 to get 89,296