22261520

素因数分解:

$2^4\times 5^1\times {\mathrm{278269}}^1$

素因数の和:278282

約数の個数: 20

約数和(自身を含む): 51758220

約数和(自身を除く): 29496700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278269, 556538, 1113076, 1391345, 2226152, 2782690, 4452304, 5565380, 11130760, 22261520]

約数ペア:

[(1, 22261520), (2, 11130760), (4, 5565380), (5, 4452304), (8, 2782690), (10, 2226152), (16, 1391345), (20, 1113076), (40, 556538), (80, 278269)]