65920660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3664

約数の個数: 48

約数和(自身を含む): 151224192

約数和(自身を除く): 85303532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3571, 3692, 4615, 7142, 9230, 14284, 17855, 18460, 35710, 46423, 71420, 92846, 185692, 232115, 253541, 464230, 507082, 928460, 1014164, 1267705, 2535410, 3296033, 5070820, 6592066, 13184132, 16480165, 32960330, 65920660]

約数ペア:

[(1, 65920660), (2, 32960330), (4, 16480165), (5, 13184132), (10, 6592066), (13, 5070820), (20, 3296033), (26, 2535410), (52, 1267705), (65, 1014164), (71, 928460), (130, 507082), (142, 464230), (260, 253541), (284, 232115), (355, 185692), (710, 92846), (923, 71420), (1420, 46423), (1846, 35710), (3571, 18460), (3692, 17855), (4615, 14284), (7142, 9230)]