84877810

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{20161}}^1$

素因数の和:20589

約数の個数: 16

約数和(自身を含む): 153150552

約数和(自身を除く): 68272742

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 20161, 40322, 100805, 201610, 8487781, 16975562, 42438905, 84877810]

約数ペア:

[(1, 84877810), (2, 42438905), (5, 16975562), (10, 8487781), (421, 201610), (842, 100805), (2105, 40322), (4210, 20161)]