202000010

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{47981}}^1$

素因数の和:48409

約数の個数: 16

約数和(自身を含む): 364471272

約数和(自身を除く): 162471262

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 47981, 95962, 239905, 479810, 20200001, 40400002, 101000005, 202000010]

約数ペア:

[(1, 202000010), (2, 101000005), (5, 40400002), (10, 20200001), (421, 479810), (842, 239905), (2105, 95962), (4210, 47981)]