Q: What is the sum of all factors of the number 2,820 excluding 2,820?
A: 5,244
The factors of the number 2,820 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820.
If you add them up, you will get the total of 2,825. Now subtract 2,820 to get 5,244