90725240

素因数分解:

$2^3\times 5^1\times {\mathrm{2268131}}^1$

素因数の和:2268142

約数の個数: 16

約数和(自身を含む): 204131880

約数和(自身を除く): 113406640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2268131, 4536262, 9072524, 11340655, 18145048, 22681310, 45362620, 90725240]

約数ペア:

[(1, 90725240), (2, 45362620), (4, 22681310), (5, 18145048), (8, 11340655), (10, 9072524), (20, 4536262), (40, 2268131)]