86419810

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{20051}}^1$

素因数の和:20489

約数の個数: 16

約数和(自身を含む): 155924352

約数和(自身を除く): 69504542

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 20051, 40102, 100255, 200510, 8641981, 17283962, 43209905, 86419810]

約数ペア:

[(1, 86419810), (2, 43209905), (5, 17283962), (10, 8641981), (431, 200510), (862, 100255), (2155, 40102), (4310, 20051)]