80123740

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{37441}}^1$

素因数の和:37557

約数の個数: 24

約数和(自身を含む): 169836912

約数和(自身を除く): 89713172

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 37441, 74882, 149764, 187205, 374410, 748820, 4006187, 8012374, 16024748, 20030935, 40061870, 80123740]

約数ペア:

[(1, 80123740), (2, 40061870), (4, 20030935), (5, 16024748), (10, 8012374), (20, 4006187), (107, 748820), (214, 374410), (428, 187205), (535, 149764), (1070, 74882), (2140, 37441)]