129581420

素因数分解:

$2^2\times 5^1\times {\mathrm{2287}}^1\times {\mathrm{2833}}^1$

素因数の和:5129

約数の個数: 24

約数和(自身を含む): 272336064

約数和(自身を除く): 142754644

約数列:

[1, 2, 4, 5, 10, 20, 2287, 2833, 4574, 5666, 9148, 11332, 11435, 14165, 22870, 28330, 45740, 56660, 6479071, 12958142, 25916284, 32395355, 64790710, 129581420]

約数ペア:

[(1, 129581420), (2, 64790710), (4, 32395355), (5, 25916284), (10, 12958142), (20, 6479071), (2287, 56660), (2833, 45740), (4574, 28330), (5666, 22870), (9148, 14165), (11332, 11435)]