42039920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40423}}^1$

素因数の和:40449

約数の個数: 40

約数和(自身を含む): 105264096

約数和(自身を除く): 63224176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 40423, 80846, 161692, 202115, 323384, 404230, 525499, 646768, 808460, 1050998, 1616920, 2101996, 2627495, 3233840, 4203992, 5254990, 8407984, 10509980, 21019960, 42039920]

約数ペア:

[(1, 42039920), (2, 21019960), (4, 10509980), (5, 8407984), (8, 5254990), (10, 4203992), (13, 3233840), (16, 2627495), (20, 2101996), (26, 1616920), (40, 1050998), (52, 808460), (65, 646768), (80, 525499), (104, 404230), (130, 323384), (208, 202115), (260, 161692), (520, 80846), (1040, 40423)]