51721060

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{10303}}^1$

素因数の和:10563

約数の個数: 24

約数和(自身を含む): 109057536

約数和(自身を除く): 57336476

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 10303, 20606, 41212, 51515, 103030, 206060, 2586053, 5172106, 10344212, 12930265, 25860530, 51721060]

約数ペア:

[(1, 51721060), (2, 25860530), (4, 12930265), (5, 10344212), (10, 5172106), (20, 2586053), (251, 206060), (502, 103030), (1004, 51515), (1255, 41212), (2510, 20606), (5020, 10303)]