22258640

素因数分解:

$2^4\times 5^1\times {\mathrm{278233}}^1$

素因数の和:278246

約数の個数: 20

約数和(自身を含む): 51751524

約数和(自身を除く): 29492884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278233, 556466, 1112932, 1391165, 2225864, 2782330, 4451728, 5564660, 11129320, 22258640]

約数ペア:

[(1, 22258640), (2, 11129320), (4, 5564660), (5, 4451728), (8, 2782330), (10, 2225864), (16, 1391165), (20, 1112932), (40, 556466), (80, 278233)]