55148720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2214

約数の個数: 80

約数和(自身を含む): 144767520

約数和(自身を除く): 89618800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2161, 2320, 2552, 3190, 4322, 5104, 6380, 8644, 10805, 12760, 17288, 21610, 23771, 25520, 34576, 43220, 47542, 62669, 86440, 95084, 118855, 125338, 172880, 190168, 237710, 250676, 313345, 380336, 475420, 501352, 626690, 689359, 950840, 1002704, 1253380, 1378718, 1901680, 2506760, 2757436, 3446795, 5013520, 5514872, 6893590, 11029744, 13787180, 27574360, 55148720]

約数ペア:

[(1, 55148720), (2, 27574360), (4, 13787180), (5, 11029744), (8, 6893590), (10, 5514872), (11, 5013520), (16, 3446795), (20, 2757436), (22, 2506760), (29, 1901680), (40, 1378718), (44, 1253380), (55, 1002704), (58, 950840), (80, 689359), (88, 626690), (110, 501352), (116, 475420), (145, 380336), (176, 313345), (220, 250676), (232, 237710), (290, 190168), (319, 172880), (440, 125338), (464, 118855), (580, 95084), (638, 86440), (880, 62669), (1160, 47542), (1276, 43220), (1595, 34576), (2161, 25520), (2320, 23771), (2552, 21610), (3190, 17288), (4322, 12760), (5104, 10805), (6380, 8644)]