82279729540

素因数分解:

$2^2\times 5^1\times {\mathrm{21107}}^1\times {\mathrm{194911}}^1$

素因数の和:216027

約数の個数: 24

約数和(自身を含む): 172796504832

約数和(自身を除く): 90516775292

約数列:

[1, 2, 4, 5, 10, 20, 21107, 42214, 84428, 105535, 194911, 211070, 389822, 422140, 779644, 974555, 1949110, 3898220, 4113986477, 8227972954, 16455945908, 20569932385, 41139864770, 82279729540]

約数ペア:

[(1, 82279729540), (2, 41139864770), (4, 20569932385), (5, 16455945908), (10, 8227972954), (20, 4113986477), (21107, 3898220), (42214, 1949110), (84428, 974555), (105535, 779644), (194911, 422140), (211070, 389822)]