139919240

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{2267}}^1$

素因数の和:3821

約数の個数: 32

約数和(自身を含む): 315161280

約数和(自身を除く): 175242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 2267, 3086, 4534, 6172, 7715, 9068, 11335, 12344, 15430, 18136, 22670, 30860, 45340, 61720, 90680, 3497981, 6995962, 13991924, 17489905, 27983848, 34979810, 69959620, 139919240]

約数ペア:

[(1, 139919240), (2, 69959620), (4, 34979810), (5, 27983848), (8, 17489905), (10, 13991924), (20, 6995962), (40, 3497981), (1543, 90680), (2267, 61720), (3086, 45340), (4534, 30860), (6172, 22670), (7715, 18136), (9068, 15430), (11335, 12344)]