39287780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{280627}}^1$

素因数の和:280643

約数の個数: 24

約数和(自身を含む): 94291008

約数和(自身を除く): 55003228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 280627, 561254, 1122508, 1403135, 1964389, 2806270, 3928778, 5612540, 7857556, 9821945, 19643890, 39287780]

約数ペア:

[(1, 39287780), (2, 19643890), (4, 9821945), (5, 7857556), (7, 5612540), (10, 3928778), (14, 2806270), (20, 1964389), (28, 1403135), (35, 1122508), (70, 561254), (140, 280627)]