80868880

素因数分解:

$2^4\times 5^1\times {\mathrm{1010861}}^1$

素因数の和:1010874

約数の個数: 20

約数和(自身を含む): 188020332

約数和(自身を除く): 107151452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010861, 2021722, 4043444, 5054305, 8086888, 10108610, 16173776, 20217220, 40434440, 80868880]

約数ペア:

[(1, 80868880), (2, 40434440), (4, 20217220), (5, 16173776), (8, 10108610), (10, 8086888), (16, 5054305), (20, 4043444), (40, 2021722), (80, 1010861)]