12191080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 30326400

約数和(自身を除く): 18135320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 269, 412, 440, 515, 538, 824, 1030, 1076, 1133, 1345, 2060, 2152, 2266, 2690, 2959, 4120, 4532, 5380, 5665, 5918, 9064, 10760, 11330, 11836, 14795, 22660, 23672, 27707, 29590, 45320, 55414, 59180, 110828, 118360, 138535, 221656, 277070, 304777, 554140, 609554, 1108280, 1219108, 1523885, 2438216, 3047770, 6095540, 12191080]

約数ペア:

[(1, 12191080), (2, 6095540), (4, 3047770), (5, 2438216), (8, 1523885), (10, 1219108), (11, 1108280), (20, 609554), (22, 554140), (40, 304777), (44, 277070), (55, 221656), (88, 138535), (103, 118360), (110, 110828), (206, 59180), (220, 55414), (269, 45320), (412, 29590), (440, 27707), (515, 23672), (538, 22660), (824, 14795), (1030, 11836), (1076, 11330), (1133, 10760), (1345, 9064), (2060, 5918), (2152, 5665), (2266, 5380), (2690, 4532), (2959, 4120)]