2005223210

素因数分解:

$2^1\times 5^1\times {\mathrm{19489}}^1\times {\mathrm{10289}}^1$

素因数の和:29785

約数の個数: 16

約数和(自身を含む): 3609937800

約数和(自身を除く): 1604714590

約数列:

[1, 2, 5, 10, 10289, 19489, 20578, 38978, 51445, 97445, 102890, 194890, 200522321, 401044642, 1002611605, 2005223210]

約数ペア:

[(1, 2005223210), (2, 1002611605), (5, 401044642), (10, 200522321), (10289, 194890), (19489, 102890), (20578, 97445), (38978, 51445)]