80955760

素因数分解:

$2^4\times 5^1\times {\mathrm{1011947}}^1$

素因数の和:1011960

約数の個数: 20

約数和(自身を含む): 188222328

約数和(自身を除く): 107266568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1011947, 2023894, 4047788, 5059735, 8095576, 10119470, 16191152, 20238940, 40477880, 80955760]

約数ペア:

[(1, 80955760), (2, 40477880), (4, 20238940), (5, 16191152), (8, 10119470), (10, 8095576), (16, 5059735), (20, 4047788), (40, 2023894), (80, 1011947)]