27210920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61843}}^1$

素因数の和:61865

約数の個数: 32

約数和(自身を含む): 66791520

約数和(自身を除く): 39580600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 61843, 123686, 247372, 309215, 494744, 618430, 680273, 1236860, 1360546, 2473720, 2721092, 3401365, 5442184, 6802730, 13605460, 27210920]

約数ペア:

[(1, 27210920), (2, 13605460), (4, 6802730), (5, 5442184), (8, 3401365), (10, 2721092), (11, 2473720), (20, 1360546), (22, 1236860), (40, 680273), (44, 618430), (55, 494744), (88, 309215), (110, 247372), (220, 123686), (440, 61843)]