54490020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69859}}^1$

素因数の和:69884

約数の個数: 48

約数和(自身を含む): 164310720

約数和(自身を除く): 109820700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 69859, 139718, 209577, 279436, 349295, 419154, 698590, 838308, 908167, 1047885, 1397180, 1816334, 2095770, 2724501, 3632668, 4191540, 4540835, 5449002, 9081670, 10898004, 13622505, 18163340, 27245010, 54490020]

約数ペア:

[(1, 54490020), (2, 27245010), (3, 18163340), (4, 13622505), (5, 10898004), (6, 9081670), (10, 5449002), (12, 4540835), (13, 4191540), (15, 3632668), (20, 2724501), (26, 2095770), (30, 1816334), (39, 1397180), (52, 1047885), (60, 908167), (65, 838308), (78, 698590), (130, 419154), (156, 349295), (195, 279436), (260, 209577), (390, 139718), (780, 69859)]