61071620

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5861}}^1$

素因数の和:6391

約数の個数: 24

約数和(自身を含む): 128518488

約数和(自身を除く): 67446868

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 5861, 10420, 11722, 23444, 29305, 58610, 117220, 3053581, 6107162, 12214324, 15267905, 30535810, 61071620]

約数ペア:

[(1, 61071620), (2, 30535810), (4, 15267905), (5, 12214324), (10, 6107162), (20, 3053581), (521, 117220), (1042, 58610), (2084, 29305), (2605, 23444), (5210, 11722), (5861, 10420)]