90075640

素因数分解:

$2^3\times 5^1\times {\mathrm{2251891}}^1$

素因数の和:2251902

約数の個数: 16

約数和(自身を含む): 202670280

約数和(自身を除く): 112594640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2251891, 4503782, 9007564, 11259455, 18015128, 22518910, 45037820, 90075640]

約数ペア:

[(1, 90075640), (2, 45037820), (4, 22518910), (5, 18015128), (8, 11259455), (10, 9007564), (20, 4503782), (40, 2251891)]