68133020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{47981}}^1$

素因数の和:48061

約数の個数: 24

約数和(自身を含む): 145097568

約数和(自身を除く): 76964548

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 47981, 95962, 191924, 239905, 479810, 959620, 3406651, 6813302, 13626604, 17033255, 34066510, 68133020]

約数ペア:

[(1, 68133020), (2, 34066510), (4, 17033255), (5, 13626604), (10, 6813302), (20, 3406651), (71, 959620), (142, 479810), (284, 239905), (355, 191924), (710, 95962), (1420, 47981)]