127130689540

素因数分解:

$2^2\times 5^1\times {\mathrm{21911}}^1\times {\mathrm{290107}}^1$

素因数の和:312027

約数の個数: 24

約数和(自身を含む): 266987552832

約数和(自身を除く): 139856863292

約数列:

[1, 2, 4, 5, 10, 20, 21911, 43822, 87644, 109555, 219110, 290107, 438220, 580214, 1160428, 1450535, 2901070, 5802140, 6356534477, 12713068954, 25426137908, 31782672385, 63565344770, 127130689540]

約数ペア:

[(1, 127130689540), (2, 63565344770), (4, 31782672385), (5, 25426137908), (10, 12713068954), (20, 6356534477), (21911, 5802140), (43822, 2901070), (87644, 1450535), (109555, 1160428), (219110, 580214), (290107, 438220)]