128755880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{292627}}^1$

素因数の和:292649

約数の個数: 32

約数和(自身を含む): 316038240

約数和(自身を除く): 187282360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 292627, 585254, 1170508, 1463135, 2341016, 2926270, 3218897, 5852540, 6437794, 11705080, 12875588, 16094485, 25751176, 32188970, 64377940, 128755880]

約数ペア:

[(1, 128755880), (2, 64377940), (4, 32188970), (5, 25751176), (8, 16094485), (10, 12875588), (11, 11705080), (20, 6437794), (22, 5852540), (40, 3218897), (44, 2926270), (55, 2341016), (88, 1463135), (110, 1170508), (220, 585254), (440, 292627)]