89636540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640261}}^1$

素因数の和:640277

約数の個数: 24

約数和(自身を含む): 215128032

約数和(自身を除く): 125491492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640261, 1280522, 2561044, 3201305, 4481827, 6402610, 8963654, 12805220, 17927308, 22409135, 44818270, 89636540]

約数ペア:

[(1, 89636540), (2, 44818270), (4, 22409135), (5, 17927308), (7, 12805220), (10, 8963654), (14, 6402610), (20, 4481827), (28, 3201305), (35, 2561044), (70, 1280522), (140, 640261)]