1555266040

素因数分解:

$2^3\times 5^1\times {\mathrm{38881651}}^1$

素因数の和:38881662

約数の個数: 16

約数和(自身を含む): 3499348680

約数和(自身を除く): 1944082640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 38881651, 77763302, 155526604, 194408255, 311053208, 388816510, 777633020, 1555266040]

約数ペア:

[(1, 1555266040), (2, 777633020), (4, 388816510), (5, 311053208), (8, 194408255), (10, 155526604), (20, 77763302), (40, 38881651)]