161600

素因数分解:

$2^6\times 5^2\times {\mathrm{101}}^1$

素因数の和:123

約数の個数: 42

約数和(自身を含む): 401574

約数和(自身を除く): 239974

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 160, 200, 202, 320, 400, 404, 505, 800, 808, 1010, 1600, 1616, 2020, 2525, 3232, 4040, 5050, 6464, 8080, 10100, 16160, 20200, 32320, 40400, 80800, 161600]

約数ペア:

[(1, 161600), (2, 80800), (4, 40400), (5, 32320), (8, 20200), (10, 16160), (16, 10100), (20, 8080), (25, 6464), (32, 5050), (40, 4040), (50, 3232), (64, 2525), (80, 2020), (100, 1616), (101, 1600), (160, 1010), (200, 808), (202, 800), (320, 505), (400, 404)]