80489320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105907}}^1$

素因数の和:105937

約数の個数: 32

約数和(自身を含む): 190634400

約数和(自身を除く): 110145080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105907, 211814, 423628, 529535, 847256, 1059070, 2012233, 2118140, 4024466, 4236280, 8048932, 10061165, 16097864, 20122330, 40244660, 80489320]

約数ペア:

[(1, 80489320), (2, 40244660), (4, 20122330), (5, 16097864), (8, 10061165), (10, 8048932), (19, 4236280), (20, 4024466), (38, 2118140), (40, 2012233), (76, 1059070), (95, 847256), (152, 529535), (190, 423628), (380, 211814), (760, 105907)]