Q: What is the sum of all factors of the number 81,980 including 81,980?
A: 172,200
The factors of the number 81,980 are: 1, 2, 4, 5, 10, 20, 4099, 8198, 16396, 20495, 40990, 81980.
If you add them up, you will get the total of 172,200.