8429980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32423}}^1$

素因数の和:32445

約数の個数: 24

約数和(自身を含む): 19065312

約数和(自身を除く): 10635332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32423, 64846, 129692, 162115, 324230, 421499, 648460, 842998, 1685996, 2107495, 4214990, 8429980]

約数ペア:

[(1, 8429980), (2, 4214990), (4, 2107495), (5, 1685996), (10, 842998), (13, 648460), (20, 421499), (26, 324230), (52, 162115), (65, 129692), (130, 64846), (260, 32423)]