2575820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9929

約数の個数: 24

約数和(自身を含む): 5825904

約数和(自身を除く): 3250084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9907, 19814, 39628, 49535, 99070, 128791, 198140, 257582, 515164, 643955, 1287910, 2575820]

約数ペア:

[(1, 2575820), (2, 1287910), (4, 643955), (5, 515164), (10, 257582), (13, 198140), (20, 128791), (26, 99070), (52, 49535), (65, 39628), (130, 19814), (260, 9907)]