9918040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22541}}^1$

素因数の和:22563

約数の個数: 32

約数和(自身を含む): 24345360

約数和(自身を除く): 14427320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22541, 45082, 90164, 112705, 180328, 225410, 247951, 450820, 495902, 901640, 991804, 1239755, 1983608, 2479510, 4959020, 9918040]

約数ペア:

[(1, 9918040), (2, 4959020), (4, 2479510), (5, 1983608), (8, 1239755), (10, 991804), (11, 901640), (20, 495902), (22, 450820), (40, 247951), (44, 225410), (55, 180328), (88, 112705), (110, 90164), (220, 45082), (440, 22541)]