80532080

素因数分解:

$2^4\times 5^1\times {\mathrm{1006651}}^1$

素因数の和:1006664

約数の個数: 20

約数和(自身を含む): 187237272

約数和(自身を除く): 106705192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006651, 2013302, 4026604, 5033255, 8053208, 10066510, 16106416, 20133020, 40266040, 80532080]

約数ペア:

[(1, 80532080), (2, 40266040), (4, 20133020), (5, 16106416), (8, 10066510), (10, 8053208), (16, 5033255), (20, 4026604), (40, 2013302), (80, 1006651)]