39739960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76423}}^1$

素因数の和:76447

約数の個数: 32

約数和(自身を含む): 96294240

約数和(自身を除く): 56554280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76423, 152846, 305692, 382115, 611384, 764230, 993499, 1528460, 1986998, 3056920, 3973996, 4967495, 7947992, 9934990, 19869980, 39739960]

約数ペア:

[(1, 39739960), (2, 19869980), (4, 9934990), (5, 7947992), (8, 4967495), (10, 3973996), (13, 3056920), (20, 1986998), (26, 1528460), (40, 993499), (52, 764230), (65, 611384), (104, 382115), (130, 305692), (260, 152846), (520, 76423)]