82131520

素因数分解:

$2^6\times 5^1\times {\mathrm{256661}}^1$

素因数の和:256678

約数の個数: 28

約数和(自身を含む): 195576444

約数和(自身を除く): 113444924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 256661, 513322, 1026644, 1283305, 2053288, 2566610, 4106576, 5133220, 8213152, 10266440, 16426304, 20532880, 41065760, 82131520]

約数ペア:

[(1, 82131520), (2, 41065760), (4, 20532880), (5, 16426304), (8, 10266440), (10, 8213152), (16, 5133220), (20, 4106576), (32, 2566610), (40, 2053288), (64, 1283305), (80, 1026644), (160, 513322), (320, 256661)]