9405880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21377}}^1$

素因数の和:21399

約数の個数: 32

約数和(自身を含む): 23088240

約数和(自身を除く): 13682360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 21377, 42754, 85508, 106885, 171016, 213770, 235147, 427540, 470294, 855080, 940588, 1175735, 1881176, 2351470, 4702940, 9405880]

約数ペア:

[(1, 9405880), (2, 4702940), (4, 2351470), (5, 1881176), (8, 1175735), (10, 940588), (11, 855080), (20, 470294), (22, 427540), (40, 235147), (44, 213770), (55, 171016), (88, 106885), (110, 85508), (220, 42754), (440, 21377)]