8556440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12583}}^1$

素因数の和:12611

約数の個数: 32

約数和(自身を含む): 20386080

約数和(自身を除く): 11829640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12583, 25166, 50332, 62915, 100664, 125830, 213911, 251660, 427822, 503320, 855644, 1069555, 1711288, 2139110, 4278220, 8556440]

約数ペア:

[(1, 8556440), (2, 4278220), (4, 2139110), (5, 1711288), (8, 1069555), (10, 855644), (17, 503320), (20, 427822), (34, 251660), (40, 213911), (68, 125830), (85, 100664), (136, 62915), (170, 50332), (340, 25166), (680, 12583)]