57405340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17609}}^1$

素因数の和:17781

約数の個数: 24

約数和(自身を含む): 121297680

約数和(自身を除く): 63892340

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 17609, 35218, 70436, 88045, 176090, 352180, 2870267, 5740534, 11481068, 14351335, 28702670, 57405340]

約数ペア:

[(1, 57405340), (2, 28702670), (4, 14351335), (5, 11481068), (10, 5740534), (20, 2870267), (163, 352180), (326, 176090), (652, 88045), (815, 70436), (1630, 35218), (3260, 17609)]