109621520

素因数分解:

$2^4\times 5^1\times {\mathrm{1370269}}^1$

素因数の和:1370282

約数の個数: 20

約数和(自身を含む): 254870220

約数和(自身を除く): 145248700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1370269, 2740538, 5481076, 6851345, 10962152, 13702690, 21924304, 27405380, 54810760, 109621520]

約数ペア:

[(1, 109621520), (2, 54810760), (4, 27405380), (5, 21924304), (8, 13702690), (10, 10962152), (16, 6851345), (20, 5481076), (40, 2740538), (80, 1370269)]