51722140

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6323}}^1$

素因数の和:6741

約数の個数: 24

約数和(自身を含む): 108899280

約数和(自身を除く): 57177140

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 6323, 8180, 12646, 25292, 31615, 63230, 126460, 2586107, 5172214, 10344428, 12930535, 25861070, 51722140]

約数ペア:

[(1, 51722140), (2, 25861070), (4, 12930535), (5, 10344428), (10, 5172214), (20, 2586107), (409, 126460), (818, 63230), (1636, 31615), (2045, 25292), (4090, 12646), (6323, 8180)]