199446080

素因数分解:

$2^6\times 5^1\times {\mathrm{623269}}^1$

素因数の和:623286

約数の個数: 28

約数和(自身を含む): 474931740

約数和(自身を除く): 275485660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 623269, 1246538, 2493076, 3116345, 4986152, 6232690, 9972304, 12465380, 19944608, 24930760, 39889216, 49861520, 99723040, 199446080]

約数ペア:

[(1, 199446080), (2, 99723040), (4, 49861520), (5, 39889216), (8, 24930760), (10, 19944608), (16, 12465380), (20, 9972304), (32, 6232690), (40, 4986152), (64, 3116345), (80, 2493076), (160, 1246538), (320, 623269)]