27774260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81689}}^1$

素因数の和:81715

約数の個数: 24

約数和(自身を含む): 61757640

約数和(自身を除く): 33983380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81689, 163378, 326756, 408445, 816890, 1388713, 1633780, 2777426, 5554852, 6943565, 13887130, 27774260]

約数ペア:

[(1, 27774260), (2, 13887130), (4, 6943565), (5, 5554852), (10, 2777426), (17, 1633780), (20, 1388713), (34, 816890), (68, 408445), (85, 326756), (170, 163378), (340, 81689)]