40204180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18787}}^1$

素因数の和:18903

約数の個数: 24

約数和(自身を含む): 85222368

約数和(自身を除く): 45018188

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 18787, 37574, 75148, 93935, 187870, 375740, 2010209, 4020418, 8040836, 10051045, 20102090, 40204180]

約数ペア:

[(1, 40204180), (2, 20102090), (4, 10051045), (5, 8040836), (10, 4020418), (20, 2010209), (107, 375740), (214, 187870), (428, 93935), (535, 75148), (1070, 37574), (2140, 18787)]