28335740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13241}}^1$

素因数の和:13357

約数の個数: 24

約数和(自身を含む): 60065712

約数和(自身を除く): 31729972

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13241, 26482, 52964, 66205, 132410, 264820, 1416787, 2833574, 5667148, 7083935, 14167870, 28335740]

約数ペア:

[(1, 28335740), (2, 14167870), (4, 7083935), (5, 5667148), (10, 2833574), (20, 1416787), (107, 264820), (214, 132410), (428, 66205), (535, 52964), (1070, 26482), (2140, 13241)]