Q: What is the sum of all factors of the number 145,013,140 excluding 145,013,140?

Why is 161,711,180 the sum of all factors of 145,013,140, excluding 145,013,140?

The factors of the number 145,013,140 are: 1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 52163, 104326, 208652, 260815, 521630, 1043260, 7250657, 14501314, 29002628, 36253285, 72506570, 145013140.

If you add them up, you will get the total of 145,013,301. Now subtract 145,013,140 to get 161,711,180

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