Q: What is the sum of all factors of the number 800 excluding 800?
A: 1,153
The factors of the number 800 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800.
If you add them up, you will get the total of 801. Now subtract 800 to get 1,153