65426440

素因数分解:

$2^3\times 5^1\times {\mathrm{1635661}}^1$

素因数の和:1635672

約数の個数: 16

約数和(自身を含む): 147209580

約数和(自身を除く): 81783140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1635661, 3271322, 6542644, 8178305, 13085288, 16356610, 32713220, 65426440]

約数ペア:

[(1, 65426440), (2, 32713220), (4, 16356610), (5, 13085288), (8, 8178305), (10, 6542644), (20, 3271322), (40, 1635661)]