85753490

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{20369}}^1$

素因数の和:20797

約数の個数: 16

約数和(自身を含む): 154730520

約数和(自身を除く): 68977030

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 20369, 40738, 101845, 203690, 8575349, 17150698, 42876745, 85753490]

約数ペア:

[(1, 85753490), (2, 42876745), (5, 17150698), (10, 8575349), (421, 203690), (842, 101845), (2105, 40738), (4210, 20369)]