42505640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9749}}^1$

素因数の和:9869

約数の個数: 32

約数和(自身を含む): 96525000

約数和(自身を除く): 54019360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9749, 19498, 38996, 48745, 77992, 97490, 194980, 389960, 1062641, 2125282, 4250564, 5313205, 8501128, 10626410, 21252820, 42505640]

約数ペア:

[(1, 42505640), (2, 21252820), (4, 10626410), (5, 8501128), (8, 5313205), (10, 4250564), (20, 2125282), (40, 1062641), (109, 389960), (218, 194980), (436, 97490), (545, 77992), (872, 48745), (1090, 38996), (2180, 19498), (4360, 9749)]