28504880

素因数分解:

$2^4\times 5^1\times {\mathrm{356311}}^1$

素因数の和:356324

約数の個数: 20

約数和(自身を含む): 66274032

約数和(自身を除く): 37769152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356311, 712622, 1425244, 1781555, 2850488, 3563110, 5700976, 7126220, 14252440, 28504880]

約数ペア:

[(1, 28504880), (2, 14252440), (4, 7126220), (5, 5700976), (8, 3563110), (10, 2850488), (16, 1781555), (20, 1425244), (40, 712622), (80, 356311)]