905852180

素因数分解:

$2^2\times 5^1\times {\mathrm{45292609}}^1$

素因数の和:45292618

約数の個数: 12

約数和(自身を含む): 1902289620

約数和(自身を除く): 996437440

約数列:

[1, 2, 4, 5, 10, 20, 45292609, 90585218, 181170436, 226463045, 452926090, 905852180]

約数ペア:

[(1, 905852180), (2, 452926090), (4, 226463045), (5, 181170436), (10, 90585218), (20, 45292609)]