823644020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{580031}}^1$

素因数の和:580111

約数の個数: 24

約数和(自身を含む): 1754016768

約数和(自身を除く): 930372748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 580031, 1160062, 2320124, 2900155, 5800310, 11600620, 41182201, 82364402, 164728804, 205911005, 411822010, 823644020]

約数ペア:

[(1, 823644020), (2, 411822010), (4, 205911005), (5, 164728804), (10, 82364402), (20, 41182201), (71, 11600620), (142, 5800310), (284, 2900155), (355, 2320124), (710, 1160062), (1420, 580031)]