80800

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1$

素因数の和:121

約数の個数: 36

約数和(自身を含む): 199206

約数和(自身を除く): 118406

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 505, 800, 808, 1010, 1616, 2020, 2525, 3232, 4040, 5050, 8080, 10100, 16160, 20200, 40400, 80800]

約数ペア:

[(1, 80800), (2, 40400), (4, 20200), (5, 16160), (8, 10100), (10, 8080), (16, 5050), (20, 4040), (25, 3232), (32, 2525), (40, 2020), (50, 1616), (80, 1010), (100, 808), (101, 800), (160, 505), (200, 404), (202, 400)]