72149240

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1487}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 162578880

約数和(自身を除く): 90429640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 1487, 2426, 2974, 4852, 5948, 6065, 7435, 9704, 11896, 12130, 14870, 24260, 29740, 48520, 59480, 1803731, 3607462, 7214924, 9018655, 14429848, 18037310, 36074620, 72149240]

約数ペア:

[(1, 72149240), (2, 36074620), (4, 18037310), (5, 14429848), (8, 9018655), (10, 7214924), (20, 3607462), (40, 1803731), (1213, 59480), (1487, 48520), (2426, 29740), (2974, 24260), (4852, 14870), (5948, 12130), (6065, 11896), (7435, 9704)]