81198280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{88259}}^1$

素因数の和:88293

約数の個数: 32

約数和(自身を含む): 190641600

約数和(自身を除く): 109443320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 88259, 176518, 353036, 441295, 706072, 882590, 1765180, 2029957, 3530360, 4059914, 8119828, 10149785, 16239656, 20299570, 40599140, 81198280]

約数ペア:

[(1, 81198280), (2, 40599140), (4, 20299570), (5, 16239656), (8, 10149785), (10, 8119828), (20, 4059914), (23, 3530360), (40, 2029957), (46, 1765180), (92, 882590), (115, 706072), (184, 441295), (230, 353036), (460, 176518), (920, 88259)]