90481340

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{42281}}^1$

素因数の和:42397

約数の個数: 24

約数和(自身を含む): 191791152

約数和(自身を除く): 101309812

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 42281, 84562, 169124, 211405, 422810, 845620, 4524067, 9048134, 18096268, 22620335, 45240670, 90481340]

約数ペア:

[(1, 90481340), (2, 45240670), (4, 22620335), (5, 18096268), (10, 9048134), (20, 4524067), (107, 845620), (214, 422810), (428, 211405), (535, 169124), (1070, 84562), (2140, 42281)]