129276860

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{23003}}^1$

素因数の和:23293

約数の個数: 24

約数和(自身を含む): 272459376

約数和(自身を除く): 143182516

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 23003, 46006, 92012, 115015, 230030, 460060, 6463843, 12927686, 25855372, 32319215, 64638430, 129276860]

約数ペア:

[(1, 129276860), (2, 64638430), (4, 32319215), (5, 25855372), (10, 12927686), (20, 6463843), (281, 460060), (562, 230030), (1124, 115015), (1405, 92012), (2810, 46006), (5620, 23003)]