84040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 207360

約数和(自身を除く): 123320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 764, 955, 1528, 1910, 2101, 3820, 4202, 7640, 8404, 10505, 16808, 21010, 42020, 84040]

約数ペア:

[(1, 84040), (2, 42020), (4, 21010), (5, 16808), (8, 10505), (10, 8404), (11, 7640), (20, 4202), (22, 3820), (40, 2101), (44, 1910), (55, 1528), (88, 955), (110, 764), (191, 440), (220, 382)]