Q: What is the sum of all factors of the number 81,800 excluding 81,800?
A: 108,850
The factors of the number 81,800 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409, 818, 1636, 2045, 3272, 4090, 8180, 10225, 16360, 20450, 40900, 81800.
If you add them up, you will get the total of 81,908. Now subtract 81,800 to get 108,850