1393905640

素因数分解:

$2^3\times 5^1\times {\mathrm{34847641}}^1$

素因数の和:34847652

約数の個数: 16

約数和(自身を含む): 3136287780

約数和(自身を除く): 1742382140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 34847641, 69695282, 139390564, 174238205, 278781128, 348476410, 696952820, 1393905640]

約数ペア:

[(1, 1393905640), (2, 696952820), (4, 348476410), (5, 278781128), (8, 174238205), (10, 139390564), (20, 69695282), (40, 34847641)]