Q: What is the sum of all factors of the number 12,040 including 12,040?
A: 31,680
The factors of the number 12,040 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040.
If you add them up, you will get the total of 31,680.