20175020080

素因数分解:

$2^4\times 5^1\times {\mathrm{252187751}}^1$

素因数の和:252187764

約数の個数: 20

約数和(自身を含む): 46906921872

約数和(自身を除く): 26731901792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252187751, 504375502, 1008751004, 1260938755, 2017502008, 2521877510, 4035004016, 5043755020, 10087510040, 20175020080]

約数ペア:

[(1, 20175020080), (2, 10087510040), (4, 5043755020), (5, 4035004016), (8, 2521877510), (10, 2017502008), (16, 1260938755), (20, 1008751004), (40, 504375502), (80, 252187751)]