28225040

素因数分解:

$2^4\times 5^1\times {\mathrm{352813}}^1$

素因数の和:352826

約数の個数: 20

約数和(自身を含む): 65623404

約数和(自身を除く): 37398364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352813, 705626, 1411252, 1764065, 2822504, 3528130, 5645008, 7056260, 14112520, 28225040]

約数ペア:

[(1, 28225040), (2, 14112520), (4, 7056260), (5, 5645008), (8, 3528130), (10, 2822504), (16, 1764065), (20, 1411252), (40, 705626), (80, 352813)]