7882120

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1021}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 17844120

約数和(自身を除く): 9962000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1021, 1544, 1930, 2042, 3860, 4084, 5105, 7720, 8168, 10210, 20420, 40840, 197053, 394106, 788212, 985265, 1576424, 1970530, 3941060, 7882120]

約数ペア:

[(1, 7882120), (2, 3941060), (4, 1970530), (5, 1576424), (8, 985265), (10, 788212), (20, 394106), (40, 197053), (193, 40840), (386, 20420), (772, 10210), (965, 8168), (1021, 7720), (1544, 5105), (1930, 4084), (2042, 3860)]