Q: What is the sum of all factors of the number 8,100 excluding 8,100?
A: 18,157
The factors of the number 8,100 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100.
If you add them up, you will get the total of 8,118. Now subtract 8,100 to get 18,157