25800520

素因数分解:

$2^3\times 5^1\times {\mathrm{645013}}^1$

素因数の和:645024

約数の個数: 16

約数和(自身を含む): 58051260

約数和(自身を除く): 32250740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 645013, 1290026, 2580052, 3225065, 5160104, 6450130, 12900260, 25800520]

約数ペア:

[(1, 25800520), (2, 12900260), (4, 6450130), (5, 5160104), (8, 3225065), (10, 2580052), (20, 1290026), (40, 645013)]