28618040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 70817760

約数和(自身を除く): 42199720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 337, 386, 440, 674, 772, 965, 1348, 1544, 1685, 1930, 2123, 2696, 3370, 3707, 3860, 4246, 6740, 7414, 7720, 8492, 10615, 13480, 14828, 16984, 18535, 21230, 29656, 37070, 42460, 65041, 74140, 84920, 130082, 148280, 260164, 325205, 520328, 650410, 715451, 1300820, 1430902, 2601640, 2861804, 3577255, 5723608, 7154510, 14309020, 28618040]

約数ペア:

[(1, 28618040), (2, 14309020), (4, 7154510), (5, 5723608), (8, 3577255), (10, 2861804), (11, 2601640), (20, 1430902), (22, 1300820), (40, 715451), (44, 650410), (55, 520328), (88, 325205), (110, 260164), (193, 148280), (220, 130082), (337, 84920), (386, 74140), (440, 65041), (674, 42460), (772, 37070), (965, 29656), (1348, 21230), (1544, 18535), (1685, 16984), (1930, 14828), (2123, 13480), (2696, 10615), (3370, 8492), (3707, 7720), (3860, 7414), (4246, 6740)]