80942780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{751}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 180786816

約数和(自身を除く): 99844036

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 317, 340, 634, 751, 1268, 1502, 1585, 3004, 3170, 3755, 5389, 6340, 7510, 10778, 12767, 15020, 21556, 25534, 26945, 51068, 53890, 63835, 107780, 127670, 238067, 255340, 476134, 952268, 1190335, 2380670, 4047139, 4761340, 8094278, 16188556, 20235695, 40471390, 80942780]

約数ペア:

[(1, 80942780), (2, 40471390), (4, 20235695), (5, 16188556), (10, 8094278), (17, 4761340), (20, 4047139), (34, 2380670), (68, 1190335), (85, 952268), (170, 476134), (317, 255340), (340, 238067), (634, 127670), (751, 107780), (1268, 63835), (1502, 53890), (1585, 51068), (3004, 26945), (3170, 25534), (3755, 21556), (5389, 15020), (6340, 12767), (7510, 10778)]