133768640

素因数分解:

$2^6\times 5^1\times {\mathrm{418027}}^1$

素因数の和:418044

約数の個数: 28

約数和(自身を含む): 318537336

約数和(自身を除く): 184768696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 418027, 836054, 1672108, 2090135, 3344216, 4180270, 6688432, 8360540, 13376864, 16721080, 26753728, 33442160, 66884320, 133768640]

約数ペア:

[(1, 133768640), (2, 66884320), (4, 33442160), (5, 26753728), (8, 16721080), (10, 13376864), (16, 8360540), (20, 6688432), (32, 4180270), (40, 3344216), (64, 2090135), (80, 1672108), (160, 836054), (320, 418027)]