88231880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1039}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 217900800

約数和(自身を除く): 129668920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 386, 440, 772, 965, 1039, 1544, 1930, 2078, 2123, 3860, 4156, 4246, 5195, 7720, 8312, 8492, 10390, 10615, 11429, 16984, 20780, 21230, 22858, 41560, 42460, 45716, 57145, 84920, 91432, 114290, 200527, 228580, 401054, 457160, 802108, 1002635, 1604216, 2005270, 2205797, 4010540, 4411594, 8021080, 8823188, 11028985, 17646376, 22057970, 44115940, 88231880]

約数ペア:

[(1, 88231880), (2, 44115940), (4, 22057970), (5, 17646376), (8, 11028985), (10, 8823188), (11, 8021080), (20, 4411594), (22, 4010540), (40, 2205797), (44, 2005270), (55, 1604216), (88, 1002635), (110, 802108), (193, 457160), (220, 401054), (386, 228580), (440, 200527), (772, 114290), (965, 91432), (1039, 84920), (1544, 57145), (1930, 45716), (2078, 42460), (2123, 41560), (3860, 22858), (4156, 21230), (4246, 20780), (5195, 16984), (7720, 11429), (8312, 10615), (8492, 10390)]