16400660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28277}}^1$

素因数の和:28315

約数の個数: 24

約数和(自身を含む): 35630280

約数和(自身を除く): 19229620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 28277, 56554, 113108, 141385, 282770, 565540, 820033, 1640066, 3280132, 4100165, 8200330, 16400660]

約数ペア:

[(1, 16400660), (2, 8200330), (4, 4100165), (5, 3280132), (10, 1640066), (20, 820033), (29, 565540), (58, 282770), (116, 141385), (145, 113108), (290, 56554), (580, 28277)]