2198567680

素因数分解:

$2^8\times 5^1\times {\mathrm{1717631}}^1$

素因数の和:1717652

約数の個数: 36

約数和(自身を含む): 5266259712

約数和(自身を除く): 3067692032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1717631, 3435262, 6870524, 8588155, 13741048, 17176310, 27482096, 34352620, 54964192, 68705240, 109928384, 137410480, 219856768, 274820960, 439713536, 549641920, 1099283840, 2198567680]

約数ペア:

[(1, 2198567680), (2, 1099283840), (4, 549641920), (5, 439713536), (8, 274820960), (10, 219856768), (16, 137410480), (20, 109928384), (32, 68705240), (40, 54964192), (64, 34352620), (80, 27482096), (128, 17176310), (160, 13741048), (256, 8588155), (320, 6870524), (640, 3435262), (1280, 1717631)]