12458960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9161}}^1$

素因数の和:9191

約数の個数: 40

約数和(自身を含む): 30674376

約数和(自身を除く): 18215416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9161, 18322, 36644, 45805, 73288, 91610, 146576, 155737, 183220, 311474, 366440, 622948, 732880, 778685, 1245896, 1557370, 2491792, 3114740, 6229480, 12458960]

約数ペア:

[(1, 12458960), (2, 6229480), (4, 3114740), (5, 2491792), (8, 1557370), (10, 1245896), (16, 778685), (17, 732880), (20, 622948), (34, 366440), (40, 311474), (68, 183220), (80, 155737), (85, 146576), (136, 91610), (170, 73288), (272, 45805), (340, 36644), (680, 18322), (1360, 9161)]