256480826020

素因数分解:

$2^2\times 5^1\times {\mathrm{12824041301}}^1$

素因数の和:12824041310

約数の個数: 12

約数和(自身を含む): 538609734684

約数和(自身を除く): 282128908664

約数列:

[1, 2, 4, 5, 10, 20, 12824041301, 25648082602, 51296165204, 64120206505, 128240413010, 256480826020]

約数ペア:

[(1, 256480826020), (2, 128240413010), (4, 64120206505), (5, 51296165204), (10, 25648082602), (20, 12824041301)]