39684040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90191}}^1$

素因数の和:90213

約数の個数: 32

約数和(自身を含む): 97407360

約数和(自身を除く): 57723320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 90191, 180382, 360764, 450955, 721528, 901910, 992101, 1803820, 1984202, 3607640, 3968404, 4960505, 7936808, 9921010, 19842020, 39684040]

約数ペア:

[(1, 39684040), (2, 19842020), (4, 9921010), (5, 7936808), (8, 4960505), (10, 3968404), (11, 3607640), (20, 1984202), (22, 1803820), (40, 992101), (44, 901910), (55, 721528), (88, 450955), (110, 360764), (220, 180382), (440, 90191)]