12217240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43633}}^1$

素因数の和:43651

約数の個数: 32

約数和(自身を含む): 31416480

約数和(自身を除く): 19199240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 43633, 87266, 174532, 218165, 305431, 349064, 436330, 610862, 872660, 1221724, 1527155, 1745320, 2443448, 3054310, 6108620, 12217240]

約数ペア:

[(1, 12217240), (2, 6108620), (4, 3054310), (5, 2443448), (7, 1745320), (8, 1527155), (10, 1221724), (14, 872660), (20, 610862), (28, 436330), (35, 349064), (40, 305431), (56, 218165), (70, 174532), (140, 87266), (280, 43633)]