72489740

素因数分解:

$2^2\times 5^1\times {\mathrm{1877}}^1\times {\mathrm{1931}}^1$

素因数の和:3817

約数の個数: 24

約数和(自身を含む): 152388432

約数和(自身を除く): 79898692

約数列:

[1, 2, 4, 5, 10, 20, 1877, 1931, 3754, 3862, 7508, 7724, 9385, 9655, 18770, 19310, 37540, 38620, 3624487, 7248974, 14497948, 18122435, 36244870, 72489740]

約数ペア:

[(1, 72489740), (2, 36244870), (4, 18122435), (5, 14497948), (10, 7248974), (20, 3624487), (1877, 38620), (1931, 37540), (3754, 19310), (3862, 18770), (7508, 9655), (7724, 9385)]