87051220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{256033}}^1$

素因数の和:256059

約数の個数: 24

約数和(自身を含む): 193561704

約数和(自身を除く): 106510484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 256033, 512066, 1024132, 1280165, 2560330, 4352561, 5120660, 8705122, 17410244, 21762805, 43525610, 87051220]

約数ペア:

[(1, 87051220), (2, 43525610), (4, 21762805), (5, 17410244), (10, 8705122), (17, 5120660), (20, 4352561), (34, 2560330), (68, 1280165), (85, 1024132), (170, 512066), (340, 256033)]