27804580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7057}}^1$

素因数の和:7263

約数の個数: 24

約数和(自身を含む): 58694328

約数和(自身を除く): 30889748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7057, 14114, 28228, 35285, 70570, 141140, 1390229, 2780458, 5560916, 6951145, 13902290, 27804580]

約数ペア:

[(1, 27804580), (2, 13902290), (4, 6951145), (5, 5560916), (10, 2780458), (20, 1390229), (197, 141140), (394, 70570), (788, 35285), (985, 28228), (1970, 14114), (3940, 7057)]