90680360

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21187}}^1$

素因数の和:21305

約数の個数: 32

約数和(自身を含む): 205947360

約数和(自身を除く): 115267000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 21187, 42374, 84748, 105935, 169496, 211870, 423740, 847480, 2267009, 4534018, 9068036, 11335045, 18136072, 22670090, 45340180, 90680360]

約数ペア:

[(1, 90680360), (2, 45340180), (4, 22670090), (5, 18136072), (8, 11335045), (10, 9068036), (20, 4534018), (40, 2267009), (107, 847480), (214, 423740), (428, 211870), (535, 169496), (856, 105935), (1070, 84748), (2140, 42374), (4280, 21187)]