68741780

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{4651}}^1$

素因数の和:5399

約数の個数: 24

約数和(自身を含む): 144584160

約数和(自身を除く): 75842380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3695, 4651, 7390, 9302, 14780, 18604, 23255, 46510, 93020, 3437089, 6874178, 13748356, 17185445, 34370890, 68741780]

約数ペア:

[(1, 68741780), (2, 34370890), (4, 17185445), (5, 13748356), (10, 6874178), (20, 3437089), (739, 93020), (1478, 46510), (2956, 23255), (3695, 18604), (4651, 14780), (7390, 9302)]