82079920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{467}}^1$

素因数の和:519

約数の個数: 80

約数和(自身を含む): 207174240

約数和(自身を除く): 125094320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 467, 520, 676, 845, 934, 1040, 1352, 1690, 1868, 2197, 2335, 2704, 3380, 3736, 4394, 4670, 6071, 6760, 7472, 8788, 9340, 10985, 12142, 13520, 17576, 18680, 21970, 24284, 30355, 35152, 37360, 43940, 48568, 60710, 78923, 87880, 97136, 121420, 157846, 175760, 242840, 315692, 394615, 485680, 631384, 789230, 1025999, 1262768, 1578460, 2051998, 3156920, 4103996, 5129995, 6313840, 8207992, 10259990, 16415984, 20519980, 41039960, 82079920]

約数ペア:

[(1, 82079920), (2, 41039960), (4, 20519980), (5, 16415984), (8, 10259990), (10, 8207992), (13, 6313840), (16, 5129995), (20, 4103996), (26, 3156920), (40, 2051998), (52, 1578460), (65, 1262768), (80, 1025999), (104, 789230), (130, 631384), (169, 485680), (208, 394615), (260, 315692), (338, 242840), (467, 175760), (520, 157846), (676, 121420), (845, 97136), (934, 87880), (1040, 78923), (1352, 60710), (1690, 48568), (1868, 43940), (2197, 37360), (2335, 35152), (2704, 30355), (3380, 24284), (3736, 21970), (4394, 18680), (4670, 17576), (6071, 13520), (6760, 12142), (7472, 10985), (8788, 9340)]