87680000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 110

約数和(自身を含む): 220621566

約数和(自身を除く): 132941566

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 137, 160, 200, 250, 256, 274, 320, 400, 500, 512, 548, 625, 640, 685, 800, 1000, 1024, 1096, 1250, 1280, 1370, 1600, 2000, 2192, 2500, 2560, 2740, 3200, 3425, 4000, 4384, 5000, 5120, 5480, 6400, 6850, 8000, 8768, 10000, 10960, 12800, 13700, 16000, 17125, 17536, 20000, 21920, 25600, 27400, 32000, 34250, 35072, 40000, 43840, 54800, 64000, 68500, 70144, 80000, 85625, 87680, 109600, 128000, 137000, 140288, 160000, 171250, 175360, 219200, 274000, 320000, 342500, 350720, 438400, 548000, 640000, 685000, 701440, 876800, 1096000, 1370000, 1753600, 2192000, 2740000, 3507200, 4384000, 5480000, 8768000, 10960000, 17536000, 21920000, 43840000, 87680000]

約数ペア:

[(1, 87680000), (2, 43840000), (4, 21920000), (5, 17536000), (8, 10960000), (10, 8768000), (16, 5480000), (20, 4384000), (25, 3507200), (32, 2740000), (40, 2192000), (50, 1753600), (64, 1370000), (80, 1096000), (100, 876800), (125, 701440), (128, 685000), (137, 640000), (160, 548000), (200, 438400), (250, 350720), (256, 342500), (274, 320000), (320, 274000), (400, 219200), (500, 175360), (512, 171250), (548, 160000), (625, 140288), (640, 137000), (685, 128000), (800, 109600), (1000, 87680), (1024, 85625), (1096, 80000), (1250, 70144), (1280, 68500), (1370, 64000), (1600, 54800), (2000, 43840), (2192, 40000), (2500, 35072), (2560, 34250), (2740, 32000), (3200, 27400), (3425, 25600), (4000, 21920), (4384, 20000), (5000, 17536), (5120, 17125), (5480, 16000), (6400, 13700), (6850, 12800), (8000, 10960), (8768, 10000)]