12760780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33581}}^1$

素因数の和:33609

約数の個数: 24

約数和(自身を含む): 28208880

約数和(自身を除く): 15448100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33581, 67162, 134324, 167905, 335810, 638039, 671620, 1276078, 2552156, 3190195, 6380390, 12760780]

約数ペア:

[(1, 12760780), (2, 6380390), (4, 3190195), (5, 2552156), (10, 1276078), (19, 671620), (20, 638039), (38, 335810), (76, 167905), (95, 134324), (190, 67162), (380, 33581)]