28257610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^4$

素因数の和:171

約数の個数: 20

約数和(自身を含む): 52135290

約数和(自身を除く): 23877680

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 8405, 16810, 68921, 137842, 344605, 689210, 2825761, 5651522, 14128805, 28257610]

約数ペア:

[(1, 28257610), (2, 14128805), (5, 5651522), (10, 2825761), (41, 689210), (82, 344605), (205, 137842), (410, 68921), (1681, 16810), (3362, 8405)]