87629240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19387}}^1$

素因数の和:19511

約数の個数: 32

約数和(自身を含む): 198920880

約数和(自身を除く): 111291640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19387, 38774, 77548, 96935, 155096, 193870, 387740, 775480, 2190731, 4381462, 8762924, 10953655, 17525848, 21907310, 43814620, 87629240]

約数ペア:

[(1, 87629240), (2, 43814620), (4, 21907310), (5, 17525848), (8, 10953655), (10, 8762924), (20, 4381462), (40, 2190731), (113, 775480), (226, 387740), (452, 193870), (565, 155096), (904, 96935), (1130, 77548), (2260, 38774), (4520, 19387)]