80665600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 132

約数和(自身を含む): 210169584

約数和(自身を除く): 129503984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 137, 160, 184, 200, 230, 256, 274, 320, 368, 400, 460, 512, 548, 575, 640, 685, 736, 800, 920, 1024, 1096, 1150, 1280, 1370, 1472, 1600, 1840, 2192, 2300, 2560, 2740, 2944, 3151, 3200, 3425, 3680, 4384, 4600, 5120, 5480, 5888, 6302, 6400, 6850, 7360, 8768, 9200, 10960, 11776, 12604, 12800, 13700, 14720, 15755, 17536, 18400, 21920, 23552, 25208, 25600, 27400, 29440, 31510, 35072, 36800, 43840, 50416, 54800, 58880, 63020, 70144, 73600, 78775, 87680, 100832, 109600, 117760, 126040, 140288, 147200, 157550, 175360, 201664, 219200, 252080, 294400, 315100, 350720, 403328, 438400, 504160, 588800, 630200, 701440, 806656, 876800, 1008320, 1260400, 1613312, 1753600, 2016640, 2520800, 3226624, 3507200, 4033280, 5041600, 8066560, 10083200, 16133120, 20166400, 40332800, 80665600]

約数ペア:

[(1, 80665600), (2, 40332800), (4, 20166400), (5, 16133120), (8, 10083200), (10, 8066560), (16, 5041600), (20, 4033280), (23, 3507200), (25, 3226624), (32, 2520800), (40, 2016640), (46, 1753600), (50, 1613312), (64, 1260400), (80, 1008320), (92, 876800), (100, 806656), (115, 701440), (128, 630200), (137, 588800), (160, 504160), (184, 438400), (200, 403328), (230, 350720), (256, 315100), (274, 294400), (320, 252080), (368, 219200), (400, 201664), (460, 175360), (512, 157550), (548, 147200), (575, 140288), (640, 126040), (685, 117760), (736, 109600), (800, 100832), (920, 87680), (1024, 78775), (1096, 73600), (1150, 70144), (1280, 63020), (1370, 58880), (1472, 54800), (1600, 50416), (1840, 43840), (2192, 36800), (2300, 35072), (2560, 31510), (2740, 29440), (2944, 27400), (3151, 25600), (3200, 25208), (3425, 23552), (3680, 21920), (4384, 18400), (4600, 17536), (5120, 15755), (5480, 14720), (5888, 13700), (6302, 12800), (6400, 12604), (6850, 11776), (7360, 10960), (8768, 9200)]