2019945050

素因数分解:

$2^1\times 5^2\times {\mathrm{40398901}}^1$

素因数の和:40398913

約数の個数: 12

約数和(自身を含む): 3757097886

約数和(自身を除く): 1737152836

約数列:

[1, 2, 5, 10, 25, 50, 40398901, 80797802, 201994505, 403989010, 1009972525, 2019945050]

約数ペア:

[(1, 2019945050), (2, 1009972525), (5, 403989010), (10, 201994505), (25, 80797802), (50, 40398901)]