81362440

素因数分解:

$2^3\times 5^1\times {\mathrm{2034061}}^1$

素因数の和:2034072

約数の個数: 16

約数和(自身を含む): 183065580

約数和(自身を除く): 101703140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2034061, 4068122, 8136244, 10170305, 16272488, 20340610, 40681220, 81362440]

約数ペア:

[(1, 81362440), (2, 40681220), (4, 20340610), (5, 16272488), (8, 10170305), (10, 8136244), (20, 4068122), (40, 2034061)]