40179740

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2447}}^1$

素因数の和:3277

約数の個数: 24

約数和(自身を含む): 84514752

約数和(自身を除く): 44335012

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 2447, 3284, 4105, 4894, 8210, 9788, 12235, 16420, 24470, 48940, 2008987, 4017974, 8035948, 10044935, 20089870, 40179740]

約数ペア:

[(1, 40179740), (2, 20089870), (4, 10044935), (5, 8035948), (10, 4017974), (20, 2008987), (821, 48940), (1642, 24470), (2447, 16420), (3284, 12235), (4105, 9788), (4894, 8210)]