26872420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31247}}^1$

素因数の和:31299

約数の個数: 24

約数和(自身を含む): 57746304

約数和(自身を除く): 30873884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 31247, 62494, 124988, 156235, 312470, 624940, 1343621, 2687242, 5374484, 6718105, 13436210, 26872420]

約数ペア:

[(1, 26872420), (2, 13436210), (4, 6718105), (5, 5374484), (10, 2687242), (20, 1343621), (43, 624940), (86, 312470), (172, 156235), (215, 124988), (430, 62494), (860, 31247)]