1596119982440

素因数分解:

$2^3\times 5^1\times {\mathrm{39902999561}}^1$

素因数の和:39902999572

約数の個数: 16

約数和(自身を含む): 3591269960580

約数和(自身を除く): 1995149978140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 39902999561, 79805999122, 159611998244, 199514997805, 319223996488, 399029995610, 798059991220, 1596119982440]

約数ペア:

[(1, 1596119982440), (2, 798059991220), (4, 399029995610), (5, 319223996488), (8, 199514997805), (10, 159611998244), (20, 79805999122), (40, 39902999561)]