26640520

素因数分解:

$2^3\times 5^1\times {\mathrm{666013}}^1$

素因数の和:666024

約数の個数: 16

約数和(自身を含む): 59941260

約数和(自身を除く): 33300740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 666013, 1332026, 2664052, 3330065, 5328104, 6660130, 13320260, 26640520]

約数ペア:

[(1, 26640520), (2, 13320260), (4, 6660130), (5, 5328104), (8, 3330065), (10, 2664052), (20, 1332026), (40, 666013)]