12255580

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{953}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 25803792

約数和(自身を除く): 13548212

約数列:

[1, 2, 4, 5, 10, 20, 643, 953, 1286, 1906, 2572, 3215, 3812, 4765, 6430, 9530, 12860, 19060, 612779, 1225558, 2451116, 3063895, 6127790, 12255580]

約数ペア:

[(1, 12255580), (2, 6127790), (4, 3063895), (5, 2451116), (10, 1225558), (20, 612779), (643, 19060), (953, 12860), (1286, 9530), (1906, 6430), (2572, 4765), (3215, 3812)]