2055820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7929

約数の個数: 24

約数和(自身を含む): 4649904

約数和(自身を除く): 2594084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7907, 15814, 31628, 39535, 79070, 102791, 158140, 205582, 411164, 513955, 1027910, 2055820]

約数ペア:

[(1, 2055820), (2, 1027910), (4, 513955), (5, 411164), (10, 205582), (13, 158140), (20, 102791), (26, 79070), (52, 39535), (65, 31628), (130, 15814), (260, 7907)]