55000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1$

素因数の和:37

約数の個数: 40

約数和(自身を含む): 140580

約数和(自身を除く): 85580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 1000, 1100, 1250, 1375, 2200, 2500, 2750, 5000, 5500, 6875, 11000, 13750, 27500, 55000]

約数ペア:

[(1, 55000), (2, 27500), (4, 13750), (5, 11000), (8, 6875), (10, 5500), (11, 5000), (20, 2750), (22, 2500), (25, 2200), (40, 1375), (44, 1250), (50, 1100), (55, 1000), (88, 625), (100, 550), (110, 500), (125, 440), (200, 275), (220, 250)]