133621520

素因数分解:

$2^4\times 5^1\times {\mathrm{1670269}}^1$

素因数の和:1670282

約数の個数: 20

約数和(自身を含む): 310670220

約数和(自身を除く): 177048700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1670269, 3340538, 6681076, 8351345, 13362152, 16702690, 26724304, 33405380, 66810760, 133621520]

約数ペア:

[(1, 133621520), (2, 66810760), (4, 33405380), (5, 26724304), (8, 16702690), (10, 13362152), (16, 8351345), (20, 6681076), (40, 3340538), (80, 1670269)]