64234180

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{2551}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 135051840

約数和(自身を除く): 70817660

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 2551, 5036, 5102, 6295, 10204, 12590, 12755, 25180, 25510, 51020, 3211709, 6423418, 12846836, 16058545, 32117090, 64234180]

約数ペア:

[(1, 64234180), (2, 32117090), (4, 16058545), (5, 12846836), (10, 6423418), (20, 3211709), (1259, 51020), (2518, 25510), (2551, 25180), (5036, 12755), (5102, 12590), (6295, 10204)]