9729980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37423}}^1$

素因数の和:37445

約数の個数: 24

約数和(自身を含む): 22005312

約数和(自身を除く): 12275332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 37423, 74846, 149692, 187115, 374230, 486499, 748460, 972998, 1945996, 2432495, 4864990, 9729980]

約数ペア:

[(1, 9729980), (2, 4864990), (4, 2432495), (5, 1945996), (10, 972998), (13, 748460), (20, 486499), (26, 374230), (52, 187115), (65, 149692), (130, 74846), (260, 37423)]