25112420

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3557}}^1$

素因数の和:3919

約数の個数: 24

約数和(自身を含む): 52900344

約数和(自身を除く): 27787924

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 3557, 7060, 7114, 14228, 17785, 35570, 71140, 1255621, 2511242, 5022484, 6278105, 12556210, 25112420]

約数ペア:

[(1, 25112420), (2, 12556210), (4, 6278105), (5, 5022484), (10, 2511242), (20, 1255621), (353, 71140), (706, 35570), (1412, 17785), (1765, 14228), (3530, 7114), (3557, 7060)]