808880

素因数分解:

$2^4\times 5^1\times {\mathrm{10111}}^1$

素因数の和:10124

約数の個数: 20

約数和(自身を含む): 1880832

約数和(自身を除く): 1071952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10111, 20222, 40444, 50555, 80888, 101110, 161776, 202220, 404440, 808880]

約数ペア:

[(1, 808880), (2, 404440), (4, 202220), (5, 161776), (8, 101110), (10, 80888), (16, 50555), (20, 40444), (40, 20222), (80, 10111)]