90406280

素因数分解:

$2^3\times 5^1\times {\mathrm{2260157}}^1$

素因数の和:2260168

約数の個数: 16

約数和(自身を含む): 203414220

約数和(自身を除く): 113007940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2260157, 4520314, 9040628, 11300785, 18081256, 22601570, 45203140, 90406280]

約数ペア:

[(1, 90406280), (2, 45203140), (4, 22601570), (5, 18081256), (8, 11300785), (10, 9040628), (20, 4520314), (40, 2260157)]