Q: What is the sum of all factors of the number 27,640 including 27,640?
A: 62,280
The factors of the number 27,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640.
If you add them up, you will get the total of 62,280.