26320040

素因数分解:

$2^3\times 5^1\times {\mathrm{658001}}^1$

素因数の和:658012

約数の個数: 16

約数和(自身を含む): 59220180

約数和(自身を除く): 32900140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 658001, 1316002, 2632004, 3290005, 5264008, 6580010, 13160020, 26320040]

約数ペア:

[(1, 26320040), (2, 13160020), (4, 6580010), (5, 5264008), (8, 3290005), (10, 2632004), (20, 1316002), (40, 658001)]