40149980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154423}}^1$

素因数の和:154445

約数の個数: 24

約数和(自身を含む): 90801312

約数和(自身を除く): 50651332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154423, 308846, 617692, 772115, 1544230, 2007499, 3088460, 4014998, 8029996, 10037495, 20074990, 40149980]

約数ペア:

[(1, 40149980), (2, 20074990), (4, 10037495), (5, 8029996), (10, 4014998), (13, 3088460), (20, 2007499), (26, 1544230), (52, 772115), (65, 617692), (130, 308846), (260, 154423)]