80427320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87421}}^1$

素因数の和:87455

約数の個数: 32

約数和(自身を含む): 188831520

約数和(自身を除く): 108404200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87421, 174842, 349684, 437105, 699368, 874210, 1748420, 2010683, 3496840, 4021366, 8042732, 10053415, 16085464, 20106830, 40213660, 80427320]

約数ペア:

[(1, 80427320), (2, 40213660), (4, 20106830), (5, 16085464), (8, 10053415), (10, 8042732), (20, 4021366), (23, 3496840), (40, 2010683), (46, 1748420), (92, 874210), (115, 699368), (184, 437105), (230, 349684), (460, 174842), (920, 87421)]