629980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 1425312

約数和(自身を除く): 795332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2423, 4846, 9692, 12115, 24230, 31499, 48460, 62998, 125996, 157495, 314990, 629980]

約数ペア:

[(1, 629980), (2, 314990), (4, 157495), (5, 125996), (10, 62998), (13, 48460), (20, 31499), (26, 24230), (52, 12115), (65, 9692), (130, 4846), (260, 2423)]