42778040

素因数分解:

$2^3\times 5^1\times {\mathrm{1069451}}^1$

素因数の和:1069462

約数の個数: 16

約数和(自身を含む): 96250680

約数和(自身を除く): 53472640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069451, 2138902, 4277804, 5347255, 8555608, 10694510, 21389020, 42778040]

約数ペア:

[(1, 42778040), (2, 21389020), (4, 10694510), (5, 8555608), (8, 5347255), (10, 4277804), (20, 2138902), (40, 1069451)]