71788180

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2851}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 150927840

約数和(自身を除く): 79139660

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 2851, 5036, 5702, 6295, 11404, 12590, 14255, 25180, 28510, 57020, 3589409, 7178818, 14357636, 17947045, 35894090, 71788180]

約数ペア:

[(1, 71788180), (2, 35894090), (4, 17947045), (5, 14357636), (10, 7178818), (20, 3589409), (1259, 57020), (2518, 28510), (2851, 25180), (5036, 14255), (5702, 12590), (6295, 11404)]