205128050

素因数分解:

$2^1\times 5^2\times {\mathrm{4102561}}^1$

素因数の和:4102573

約数の個数: 12

約数和(自身を含む): 381538266

約数和(自身を除く): 176410216

約数列:

[1, 2, 5, 10, 25, 50, 4102561, 8205122, 20512805, 41025610, 102564025, 205128050]

約数ペア:

[(1, 205128050), (2, 102564025), (5, 41025610), (10, 20512805), (25, 8205122), (50, 4102561)]