61858220

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{3121}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 130075008

約数和(自身を除く): 68216788

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3121, 3964, 4955, 6242, 9910, 12484, 15605, 19820, 31210, 62420, 3092911, 6185822, 12371644, 15464555, 30929110, 61858220]

約数ペア:

[(1, 61858220), (2, 30929110), (4, 15464555), (5, 12371644), (10, 6185822), (20, 3092911), (991, 62420), (1982, 31210), (3121, 19820), (3964, 15605), (4955, 12484), (6242, 9910)]