40490395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 55256256

約数和(自身を除く): 14765861

約数列:

[1, 5, 11, 37, 55, 101, 185, 197, 407, 505, 985, 1111, 2035, 2167, 3737, 5555, 7289, 10835, 18685, 19897, 36445, 41107, 80179, 99485, 205535, 218867, 400895, 736189, 1094335, 3680945, 8098079, 40490395]

約数ペア:

[(1, 40490395), (5, 8098079), (11, 3680945), (37, 1094335), (55, 736189), (101, 400895), (185, 218867), (197, 205535), (407, 99485), (505, 80179), (985, 41107), (1111, 36445), (2035, 19897), (2167, 18685), (3737, 10835), (5555, 7289)]