12556280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28537}}^1$

素因数の和:28559

約数の個数: 32

約数和(自身を含む): 30821040

約数和(自身を除く): 18264760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28537, 57074, 114148, 142685, 228296, 285370, 313907, 570740, 627814, 1141480, 1255628, 1569535, 2511256, 3139070, 6278140, 12556280]

約数ペア:

[(1, 12556280), (2, 6278140), (4, 3139070), (5, 2511256), (8, 1569535), (10, 1255628), (11, 1141480), (20, 627814), (22, 570740), (40, 313907), (44, 285370), (55, 228296), (88, 142685), (110, 114148), (220, 57074), (440, 28537)]