55838540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{164231}}^1$

素因数の和:164257

約数の個数: 24

約数和(自身を含む): 124159392

約数和(自身を除く): 68320852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 164231, 328462, 656924, 821155, 1642310, 2791927, 3284620, 5583854, 11167708, 13959635, 27919270, 55838540]

約数ペア:

[(1, 55838540), (2, 27919270), (4, 13959635), (5, 11167708), (10, 5583854), (17, 3284620), (20, 2791927), (34, 1642310), (68, 821155), (85, 656924), (170, 328462), (340, 164231)]