26722690

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20399}}^1$

素因数の和:20537

約数の個数: 16

約数和(自身を含む): 48470400

約数和(自身を除く): 21747710

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 20399, 40798, 101995, 203990, 2672269, 5344538, 13361345, 26722690]

約数ペア:

[(1, 26722690), (2, 13361345), (5, 5344538), (10, 2672269), (131, 203990), (262, 101995), (655, 40798), (1310, 20399)]