51387740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{48479}}^1$

素因数の和:48541

約数の個数: 24

約数和(自身を含む): 109952640

約数和(自身を除く): 58564900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 48479, 96958, 193916, 242395, 484790, 969580, 2569387, 5138774, 10277548, 12846935, 25693870, 51387740]

約数ペア:

[(1, 51387740), (2, 25693870), (4, 12846935), (5, 10277548), (10, 5138774), (20, 2569387), (53, 969580), (106, 484790), (212, 242395), (265, 193916), (530, 96958), (1060, 48479)]