26328880

素因数分解:

$2^4\times 5^1\times {\mathrm{329111}}^1$

素因数の和:329124

約数の個数: 20

約数和(自身を含む): 61214832

約数和(自身を除く): 34885952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 329111, 658222, 1316444, 1645555, 2632888, 3291110, 5265776, 6582220, 13164440, 26328880]

約数ペア:

[(1, 26328880), (2, 13164440), (4, 6582220), (5, 5265776), (8, 3291110), (10, 2632888), (16, 1645555), (20, 1316444), (40, 658222), (80, 329111)]