68387260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{201139}}^1$

素因数の和:201165

約数の個数: 24

約数和(自身を含む): 152061840

約数和(自身を除く): 83674580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 201139, 402278, 804556, 1005695, 2011390, 3419363, 4022780, 6838726, 13677452, 17096815, 34193630, 68387260]

約数ペア:

[(1, 68387260), (2, 34193630), (4, 17096815), (5, 13677452), (10, 6838726), (17, 4022780), (20, 3419363), (34, 2011390), (68, 1005695), (85, 804556), (170, 402278), (340, 201139)]