20130378680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{63073}}^1$

素因数の和:63264

約数の個数: 64

約数和(自身を含む): 46321545600

約数和(自身を除く): 26191166920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1580, 2020, 3160, 4040, 7979, 15958, 31916, 39895, 63073, 63832, 79790, 126146, 159580, 252292, 315365, 319160, 504584, 630730, 1261460, 2522920, 4982767, 6370373, 9965534, 12740746, 19931068, 24913835, 25481492, 31851865, 39862136, 49827670, 50962984, 63703730, 99655340, 127407460, 199310680, 254814920, 503259467, 1006518934, 2013037868, 2516297335, 4026075736, 5032594670, 10065189340, 20130378680]

約数ペア:

[(1, 20130378680), (2, 10065189340), (4, 5032594670), (5, 4026075736), (8, 2516297335), (10, 2013037868), (20, 1006518934), (40, 503259467), (79, 254814920), (101, 199310680), (158, 127407460), (202, 99655340), (316, 63703730), (395, 50962984), (404, 49827670), (505, 39862136), (632, 31851865), (790, 25481492), (808, 24913835), (1010, 19931068), (1580, 12740746), (2020, 9965534), (3160, 6370373), (4040, 4982767), (7979, 2522920), (15958, 1261460), (31916, 630730), (39895, 504584), (63073, 319160), (63832, 315365), (79790, 252292), (126146, 159580)]