8796040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19991}}^1$

素因数の和:20013

約数の個数: 32

約数和(自身を含む): 21591360

約数和(自身を除く): 12795320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19991, 39982, 79964, 99955, 159928, 199910, 219901, 399820, 439802, 799640, 879604, 1099505, 1759208, 2199010, 4398020, 8796040]

約数ペア:

[(1, 8796040), (2, 4398020), (4, 2199010), (5, 1759208), (8, 1099505), (10, 879604), (11, 799640), (20, 439802), (22, 399820), (40, 219901), (44, 199910), (55, 159928), (88, 99955), (110, 79964), (220, 39982), (440, 19991)]