Q: What is the sum of all factors of the number 23,780 excluding 23,780?
A: 29,140
The factors of the number 23,780 are: 1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 23780.
If you add them up, you will get the total of 23,809. Now subtract 23,780 to get 29,140