74840020

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{7499}}^1$

素因数の和:8007

約数の個数: 24

約数和(自身を含む): 157500000

約数和(自身を除く): 82659980

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 7499, 9980, 14998, 29996, 37495, 74990, 149980, 3742001, 7484002, 14968004, 18710005, 37420010, 74840020]

約数ペア:

[(1, 74840020), (2, 37420010), (4, 18710005), (5, 14968004), (10, 7484002), (20, 3742001), (499, 149980), (998, 74990), (1996, 37495), (2495, 29996), (4990, 14998), (7499, 9980)]