20100321380

素因数分解:

$2^2\times 5^1\times {\mathrm{5711}}^1\times {\mathrm{175979}}^1$

素因数の和:181699

約数の個数: 24

約数和(自身を含む): 42218305920

約数和(自身を除く): 22117984540

約数列:

[1, 2, 4, 5, 10, 20, 5711, 11422, 22844, 28555, 57110, 114220, 175979, 351958, 703916, 879895, 1759790, 3519580, 1005016069, 2010032138, 4020064276, 5025080345, 10050160690, 20100321380]

約数ペア:

[(1, 20100321380), (2, 10050160690), (4, 5025080345), (5, 4020064276), (10, 2010032138), (20, 1005016069), (5711, 3519580), (11422, 1759790), (22844, 879895), (28555, 703916), (57110, 351958), (114220, 175979)]