Q: What is the sum of all factors of the number 216,880 excluding 216,880?
A: 287,552
The factors of the number 216,880 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2711, 5422, 10844, 13555, 21688, 27110, 43376, 54220, 108440, 216880.
If you add them up, you will get the total of 217,167. Now subtract 216,880 to get 287,552