Q: What is the sum of all factors of the number 80,100 excluding 80,100?

A: 173,790

Why is 173,790 the sum of all factors of 80,100, excluding 80,100?

The factors of the number 80,100 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 225, 267, 300, 356, 445, 450, 534, 801, 890, 900, 1068, 1335, 1602, 1780, 2225, 2670, 3204, 4005, 4450, 5340, 6675, 8010, 8900, 13350, 16020, 20025, 26700, 40050, 80100.

If you add them up, you will get the total of 80,273. Now subtract 80,100 to get 173,790