81574256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124351}}^1$

素因数の和:124400

約数の個数: 20

約数和(自身を含む): 161906304

約数和(自身を除く): 80332048

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124351, 248702, 497404, 994808, 1989616, 5098391, 10196782, 20393564, 40787128, 81574256]

約数ペア:

[(1, 81574256), (2, 40787128), (4, 20393564), (8, 10196782), (16, 5098391), (41, 1989616), (82, 994808), (164, 497404), (328, 248702), (656, 124351)]