68534680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5581}}^1$

素因数の和:5899

約数の個数: 32

約数和(自身を含む): 154733040

約数和(自身を除く): 86198360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5581, 6140, 11162, 12280, 22324, 27905, 44648, 55810, 111620, 223240, 1713367, 3426734, 6853468, 8566835, 13706936, 17133670, 34267340, 68534680]

約数ペア:

[(1, 68534680), (2, 34267340), (4, 17133670), (5, 13706936), (8, 8566835), (10, 6853468), (20, 3426734), (40, 1713367), (307, 223240), (614, 111620), (1228, 55810), (1535, 44648), (2456, 27905), (3070, 22324), (5581, 12280), (6140, 11162)]