265564780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1021403}}^1$

素因数の和:1021425

約数の個数: 24

約数和(自身を含む): 600585552

約数和(自身を除く): 335020772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1021403, 2042806, 4085612, 5107015, 10214030, 13278239, 20428060, 26556478, 53112956, 66391195, 132782390, 265564780]

約数ペア:

[(1, 265564780), (2, 132782390), (4, 66391195), (5, 53112956), (10, 26556478), (13, 20428060), (20, 13278239), (26, 10214030), (52, 5107015), (65, 4085612), (130, 2042806), (260, 1021403)]