123507620

素因数分解:

$2^2\times 5^1\times {\mathrm{6175381}}^1$

素因数の和:6175390

約数の個数: 12

約数和(自身を含む): 259366044

約数和(自身を除く): 135858424

約数列:

[1, 2, 4, 5, 10, 20, 6175381, 12350762, 24701524, 30876905, 61753810, 123507620]

約数ペア:

[(1, 123507620), (2, 61753810), (4, 30876905), (5, 24701524), (10, 12350762), (20, 6175381)]