90990520

素因数分解:

$2^3\times 5^1\times {\mathrm{2274763}}^1$

素因数の和:2274774

約数の個数: 16

約数和(自身を含む): 204728760

約数和(自身を除く): 113738240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2274763, 4549526, 9099052, 11373815, 18198104, 22747630, 45495260, 90990520]

約数ペア:

[(1, 90990520), (2, 45495260), (4, 22747630), (5, 18198104), (8, 11373815), (10, 9099052), (20, 4549526), (40, 2274763)]