7938040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18041}}^1$

素因数の和:18063

約数の個数: 32

約数和(自身を含む): 19485360

約数和(自身を除く): 11547320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18041, 36082, 72164, 90205, 144328, 180410, 198451, 360820, 396902, 721640, 793804, 992255, 1587608, 1984510, 3969020, 7938040]

約数ペア:

[(1, 7938040), (2, 3969020), (4, 1984510), (5, 1587608), (8, 992255), (10, 793804), (11, 721640), (20, 396902), (22, 360820), (40, 198451), (44, 180410), (55, 144328), (88, 90205), (110, 72164), (220, 36082), (440, 18041)]