61404080

素因数分解:

$2^4\times 5^1\times {\mathrm{767551}}^1$

素因数の和:767564

約数の個数: 20

約数和(自身を含む): 142764672

約数和(自身を除く): 81360592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 767551, 1535102, 3070204, 3837755, 6140408, 7675510, 12280816, 15351020, 30702040, 61404080]

約数ペア:

[(1, 61404080), (2, 30702040), (4, 15351020), (5, 12280816), (8, 7675510), (10, 6140408), (16, 3837755), (20, 3070204), (40, 1535102), (80, 767551)]