68108020

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{2207}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 143184384

約数和(自身を除く): 75076364

約数列:

[1, 2, 4, 5, 10, 20, 1543, 2207, 3086, 4414, 6172, 7715, 8828, 11035, 15430, 22070, 30860, 44140, 3405401, 6810802, 13621604, 17027005, 34054010, 68108020]

約数ペア:

[(1, 68108020), (2, 34054010), (4, 17027005), (5, 13621604), (10, 6810802), (20, 3405401), (1543, 44140), (2207, 30860), (3086, 22070), (4414, 15430), (6172, 11035), (7715, 8828)]