22890040

素因数分解:

$2^3\times 5^1\times {\mathrm{572251}}^1$

素因数の和:572262

約数の個数: 16

約数和(自身を含む): 51502680

約数和(自身を除く): 28612640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 572251, 1144502, 2289004, 2861255, 4578008, 5722510, 11445020, 22890040]

約数ペア:

[(1, 22890040), (2, 11445020), (4, 5722510), (5, 4578008), (8, 2861255), (10, 2289004), (20, 1144502), (40, 572251)]