42491620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20627}}^1$

素因数の和:20739

約数の個数: 24

約数和(自身を含む): 90103104

約数和(自身を除く): 47611484

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 20627, 41254, 82508, 103135, 206270, 412540, 2124581, 4249162, 8498324, 10622905, 21245810, 42491620]

約数ペア:

[(1, 42491620), (2, 21245810), (4, 10622905), (5, 8498324), (10, 4249162), (20, 2124581), (103, 412540), (206, 206270), (412, 103135), (515, 82508), (1030, 41254), (2060, 20627)]