2040280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4637}}^1$

素因数の和:4659

約数の個数: 32

約数和(自身を含む): 5009040

約数和(自身を除く): 2968760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4637, 9274, 18548, 23185, 37096, 46370, 51007, 92740, 102014, 185480, 204028, 255035, 408056, 510070, 1020140, 2040280]

約数ペア:

[(1, 2040280), (2, 1020140), (4, 510070), (5, 408056), (8, 255035), (10, 204028), (11, 185480), (20, 102014), (22, 92740), (40, 51007), (44, 46370), (55, 37096), (88, 23185), (110, 18548), (220, 9274), (440, 4637)]