28257080

素因数分解:

$2^3\times 5^1\times {\mathrm{706427}}^1$

素因数の和:706438

約数の個数: 16

約数和(自身を含む): 63578520

約数和(自身を除く): 35321440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 706427, 1412854, 2825708, 3532135, 5651416, 7064270, 14128540, 28257080]

約数ペア:

[(1, 28257080), (2, 14128540), (4, 7064270), (5, 5651416), (8, 3532135), (10, 2825708), (20, 1412854), (40, 706427)]