12128800

素因数分解:

$2^5\times 5^2\times {\mathrm{15161}}^1$

素因数の和:15181

約数の個数: 36

約数和(自身を含む): 29611386

約数和(自身を除く): 17482586

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 15161, 30322, 60644, 75805, 121288, 151610, 242576, 303220, 379025, 485152, 606440, 758050, 1212880, 1516100, 2425760, 3032200, 6064400, 12128800]

約数ペア:

[(1, 12128800), (2, 6064400), (4, 3032200), (5, 2425760), (8, 1516100), (10, 1212880), (16, 758050), (20, 606440), (25, 485152), (32, 379025), (40, 303220), (50, 242576), (80, 151610), (100, 121288), (160, 75805), (200, 60644), (400, 30322), (800, 15161)]