256810090

素因数分解:

$2^1\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{16223}}^1$

素因数の和:17813

約数の個数: 16

約数和(自身を含む): 462578688

約数和(自身を除く): 205768598

約数列:

[1, 2, 5, 10, 1583, 3166, 7915, 15830, 16223, 32446, 81115, 162230, 25681009, 51362018, 128405045, 256810090]

約数ペア:

[(1, 256810090), (2, 128405045), (5, 51362018), (10, 25681009), (1583, 162230), (3166, 81115), (7915, 32446), (15830, 16223)]