205139180

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{11161}}^1$

素因数の和:12089

約数の個数: 24

約数和(自身を含む): 431299680

約数和(自身を除く): 226160500

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 3676, 4595, 9190, 11161, 18380, 22322, 44644, 55805, 111610, 223220, 10256959, 20513918, 41027836, 51284795, 102569590, 205139180]

約数ペア:

[(1, 205139180), (2, 102569590), (4, 51284795), (5, 41027836), (10, 20513918), (20, 10256959), (919, 223220), (1838, 111610), (3676, 55805), (4595, 44644), (9190, 22322), (11161, 18380)]