81400030

素因数分解:

$2^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{17581}}^1$

素因数の和:18051

約数の個数: 16

約数和(自身を含む): 146844864

約数和(自身を除く): 65444834

約数列:

[1, 2, 5, 10, 463, 926, 2315, 4630, 17581, 35162, 87905, 175810, 8140003, 16280006, 40700015, 81400030]

約数ペア:

[(1, 81400030), (2, 40700015), (5, 16280006), (10, 8140003), (463, 175810), (926, 87905), (2315, 35162), (4630, 17581)]