26487860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{189199}}^1$

素因数の和:189215

約数の個数: 24

約数和(自身を含む): 63571200

約数和(自身を除く): 37083340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 189199, 378398, 756796, 945995, 1324393, 1891990, 2648786, 3783980, 5297572, 6621965, 13243930, 26487860]

約数ペア:

[(1, 26487860), (2, 13243930), (4, 6621965), (5, 5297572), (7, 3783980), (10, 2648786), (14, 1891990), (20, 1324393), (28, 945995), (35, 756796), (70, 378398), (140, 189199)]