80459120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{143677}}^1$

素因数の和:143697

約数の個数: 40

約数和(自身を含む): 213792864

約数和(自身を除く): 133333744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 143677, 287354, 574708, 718385, 1005739, 1149416, 1436770, 2011478, 2298832, 2873540, 4022956, 5028695, 5747080, 8045912, 10057390, 11494160, 16091824, 20114780, 40229560, 80459120]

約数ペア:

[(1, 80459120), (2, 40229560), (4, 20114780), (5, 16091824), (7, 11494160), (8, 10057390), (10, 8045912), (14, 5747080), (16, 5028695), (20, 4022956), (28, 2873540), (35, 2298832), (40, 2011478), (56, 1436770), (70, 1149416), (80, 1005739), (112, 718385), (140, 574708), (280, 287354), (560, 143677)]