28081210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39551}}^1$

素因数の和:39629

約数の個数: 16

約数和(自身を含む): 51259392

約数和(自身を除く): 23178182

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39551, 79102, 197755, 395510, 2808121, 5616242, 14040605, 28081210]

約数ペア:

[(1, 28081210), (2, 14040605), (5, 5616242), (10, 2808121), (71, 395510), (142, 197755), (355, 79102), (710, 39551)]