52131280

素因数分解:

$2^4\times 5^1\times {\mathrm{651641}}^1$

素因数の和:651654

約数の個数: 20

約数和(自身を含む): 121205412

約数和(自身を除く): 69074132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 651641, 1303282, 2606564, 3258205, 5213128, 6516410, 10426256, 13032820, 26065640, 52131280]

約数ペア:

[(1, 52131280), (2, 26065640), (4, 13032820), (5, 10426256), (8, 6516410), (10, 5213128), (16, 3258205), (20, 2606564), (40, 1303282), (80, 651641)]