65219960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{125423}}^1$

素因数の和:125447

約数の個数: 32

約数和(自身を含む): 158034240

約数和(自身を除く): 92814280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 125423, 250846, 501692, 627115, 1003384, 1254230, 1630499, 2508460, 3260998, 5016920, 6521996, 8152495, 13043992, 16304990, 32609980, 65219960]

約数ペア:

[(1, 65219960), (2, 32609980), (4, 16304990), (5, 13043992), (8, 8152495), (10, 6521996), (13, 5016920), (20, 3260998), (26, 2508460), (40, 1630499), (52, 1254230), (65, 1003384), (104, 627115), (130, 501692), (260, 250846), (520, 125423)]