79479920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76423}}^1$

素因数の和:76449

約数の個数: 40

約数和(自身を含む): 199008096

約数和(自身を除く): 119528176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 76423, 152846, 305692, 382115, 611384, 764230, 993499, 1222768, 1528460, 1986998, 3056920, 3973996, 4967495, 6113840, 7947992, 9934990, 15895984, 19869980, 39739960, 79479920]

約数ペア:

[(1, 79479920), (2, 39739960), (4, 19869980), (5, 15895984), (8, 9934990), (10, 7947992), (13, 6113840), (16, 4967495), (20, 3973996), (26, 3056920), (40, 1986998), (52, 1528460), (65, 1222768), (80, 993499), (104, 764230), (130, 611384), (208, 382115), (260, 305692), (520, 152846), (1040, 76423)]