2020648625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{1009}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 2598479520

約数和(自身を除く): 577830895

約数列:

[1, 5, 25, 37, 125, 185, 433, 925, 1009, 2165, 4625, 5045, 10825, 16021, 25225, 37333, 54125, 80105, 126125, 186665, 400525, 436897, 933325, 2002625, 2184485, 4666625, 10922425, 16165189, 54612125, 80825945, 404129725, 2020648625]

約数ペア:

[(1, 2020648625), (5, 404129725), (25, 80825945), (37, 54612125), (125, 16165189), (185, 10922425), (433, 4666625), (925, 2184485), (1009, 2002625), (2165, 933325), (4625, 436897), (5045, 400525), (10825, 186665), (16021, 126125), (25225, 80105), (37333, 54125)]