22275640

素因数分解:

$2^3\times 5^1\times {\mathrm{556891}}^1$

素因数の和:556902

約数の個数: 16

約数和(自身を含む): 50120280

約数和(自身を除く): 27844640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 556891, 1113782, 2227564, 2784455, 4455128, 5568910, 11137820, 22275640]

約数ペア:

[(1, 22275640), (2, 11137820), (4, 5568910), (5, 4455128), (8, 2784455), (10, 2227564), (20, 1113782), (40, 556891)]