205659910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{260329}}^1$

素因数の和:260415

約数の個数: 16

約数和(自身を含む): 374875200

約数和(自身を除く): 169215290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 260329, 520658, 1301645, 2603290, 20565991, 41131982, 102829955, 205659910]

約数ペア:

[(1, 205659910), (2, 102829955), (5, 41131982), (10, 20565991), (79, 2603290), (158, 1301645), (395, 520658), (790, 260329)]