90921640

素因数分解:

$2^3\times 5^1\times {\mathrm{2273041}}^1$

素因数の和:2273052

約数の個数: 16

約数和(自身を含む): 204573780

約数和(自身を除く): 113652140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2273041, 4546082, 9092164, 11365205, 18184328, 22730410, 45460820, 90921640]

約数ペア:

[(1, 90921640), (2, 45460820), (4, 22730410), (5, 18184328), (8, 11365205), (10, 9092164), (20, 4546082), (40, 2273041)]