7122280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16187}}^1$

素因数の和:16209

約数の個数: 32

約数和(自身を含む): 17483040

約数和(自身を除く): 10360760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16187, 32374, 64748, 80935, 129496, 161870, 178057, 323740, 356114, 647480, 712228, 890285, 1424456, 1780570, 3561140, 7122280]

約数ペア:

[(1, 7122280), (2, 3561140), (4, 1780570), (5, 1424456), (8, 890285), (10, 712228), (11, 647480), (20, 356114), (22, 323740), (40, 178057), (44, 161870), (55, 129496), (88, 80935), (110, 64748), (220, 32374), (440, 16187)]