51140780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{134581}}^1$

素因数の和:134609

約数の個数: 24

約数和(自身を含む): 113048880

約数和(自身を除く): 61908100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 134581, 269162, 538324, 672905, 1345810, 2557039, 2691620, 5114078, 10228156, 12785195, 25570390, 51140780]

約数ペア:

[(1, 51140780), (2, 25570390), (4, 12785195), (5, 10228156), (10, 5114078), (19, 2691620), (20, 2557039), (38, 1345810), (76, 672905), (95, 538324), (190, 269162), (380, 134581)]