42009790

素因数分解:

$2^1\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{2089}}^1$

素因数の和:4107

約数の個数: 16

約数和(自身を含む): 75691440

約数和(自身を除く): 33681650

約数列:

[1, 2, 5, 10, 2011, 2089, 4022, 4178, 10055, 10445, 20110, 20890, 4200979, 8401958, 21004895, 42009790]

約数ペア:

[(1, 42009790), (2, 21004895), (5, 8401958), (10, 4200979), (2011, 20890), (2089, 20110), (4022, 10445), (4178, 10055)]