55175800

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2531}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 129511800

約数和(自身を除く): 74336000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2531, 2725, 4360, 5062, 5450, 10124, 10900, 12655, 20248, 21800, 25310, 50620, 63275, 101240, 126550, 253100, 275879, 506200, 551758, 1103516, 1379395, 2207032, 2758790, 5517580, 6896975, 11035160, 13793950, 27587900, 55175800]

約数ペア:

[(1, 55175800), (2, 27587900), (4, 13793950), (5, 11035160), (8, 6896975), (10, 5517580), (20, 2758790), (25, 2207032), (40, 1379395), (50, 1103516), (100, 551758), (109, 506200), (200, 275879), (218, 253100), (436, 126550), (545, 101240), (872, 63275), (1090, 50620), (2180, 25310), (2531, 21800), (2725, 20248), (4360, 12655), (5062, 10900), (5450, 10124)]