26781590020

素因数分解:

$2^2\times 5^1\times {\mathrm{1339079501}}^1$

素因数の和:1339079510

約数の個数: 12

約数和(自身を含む): 56241339084

約数和(自身を除く): 29459749064

約数列:

[1, 2, 4, 5, 10, 20, 1339079501, 2678159002, 5356318004, 6695397505, 13390795010, 26781590020]

約数ペア:

[(1, 26781590020), (2, 13390795010), (4, 6695397505), (5, 5356318004), (10, 2678159002), (20, 1339079501)]