68643880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{46381}}^1$

素因数の和:46429

約数の個数: 32

約数和(自身を含む): 158626440

約数和(自身を除く): 89982560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 46381, 92762, 185524, 231905, 371048, 463810, 927620, 1716097, 1855240, 3432194, 6864388, 8580485, 13728776, 17160970, 34321940, 68643880]

約数ペア:

[(1, 68643880), (2, 34321940), (4, 17160970), (5, 13728776), (8, 8580485), (10, 6864388), (20, 3432194), (37, 1855240), (40, 1716097), (74, 927620), (148, 463810), (185, 371048), (296, 231905), (370, 185524), (740, 92762), (1480, 46381)]