28276360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100987}}^1$

素因数の和:101005

約数の個数: 32

約数和(自身を含む): 72711360

約数和(自身を除く): 44435000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100987, 201974, 403948, 504935, 706909, 807896, 1009870, 1413818, 2019740, 2827636, 3534545, 4039480, 5655272, 7069090, 14138180, 28276360]

約数ペア:

[(1, 28276360), (2, 14138180), (4, 7069090), (5, 5655272), (7, 4039480), (8, 3534545), (10, 2827636), (14, 2019740), (20, 1413818), (28, 1009870), (35, 807896), (40, 706909), (56, 504935), (70, 403948), (140, 201974), (280, 100987)]