8664880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{15473}}^1$

素因数の和:15493

約数の個数: 40

約数和(自身を含む): 23025312

約数和(自身を除く): 14360432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 15473, 30946, 61892, 77365, 108311, 123784, 154730, 216622, 247568, 309460, 433244, 541555, 618920, 866488, 1083110, 1237840, 1732976, 2166220, 4332440, 8664880]

約数ペア:

[(1, 8664880), (2, 4332440), (4, 2166220), (5, 1732976), (7, 1237840), (8, 1083110), (10, 866488), (14, 618920), (16, 541555), (20, 433244), (28, 309460), (35, 247568), (40, 216622), (56, 154730), (70, 123784), (80, 108311), (112, 77365), (140, 61892), (280, 30946), (560, 15473)]