140121020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{538927}}^1$

素因数の和:538949

約数の個数: 24

約数和(自身を含む): 316889664

約数和(自身を除く): 176768644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 538927, 1077854, 2155708, 2694635, 5389270, 7006051, 10778540, 14012102, 28024204, 35030255, 70060510, 140121020]

約数ペア:

[(1, 140121020), (2, 70060510), (4, 35030255), (5, 28024204), (10, 14012102), (13, 10778540), (20, 7006051), (26, 5389270), (52, 2694635), (65, 2155708), (130, 1077854), (260, 538927)]