90725680

素因数分解:

$2^4\times 5^1\times {\mathrm{1134071}}^1$

素因数の和:1134084

約数の個数: 20

約数和(自身を含む): 210937392

約数和(自身を除く): 120211712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1134071, 2268142, 4536284, 5670355, 9072568, 11340710, 18145136, 22681420, 45362840, 90725680]

約数ペア:

[(1, 90725680), (2, 45362840), (4, 22681420), (5, 18145136), (8, 11340710), (10, 9072568), (16, 5670355), (20, 4536284), (40, 2268142), (80, 1134071)]