19967792000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5647}}^1$

素因数の和:5706

約数の個数: 256

約数和(自身を含む): 56618714880

約数和(自身を除く): 36650922880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 64, 65, 68, 80, 85, 100, 104, 125, 128, 130, 136, 160, 170, 200, 208, 221, 250, 260, 272, 320, 325, 340, 400, 416, 425, 442, 500, 520, 544, 640, 650, 680, 800, 832, 850, 884, 1000, 1040, 1088, 1105, 1300, 1360, 1600, 1625, 1664, 1700, 1768, 2000, 2080, 2125, 2176, 2210, 2600, 2720, 3200, 3250, 3400, 3536, 4000, 4160, 4250, 4420, 5200, 5440, 5525, 5647, 6500, 6800, 7072, 8000, 8320, 8500, 8840, 10400, 10880, 11050, 11294, 13000, 13600, 14144, 16000, 17000, 17680, 20800, 22100, 22588, 26000, 27200, 27625, 28235, 28288, 34000, 35360, 41600, 44200, 45176, 52000, 54400, 55250, 56470, 68000, 70720, 73411, 88400, 90352, 95999, 104000, 110500, 112940, 136000, 141175, 141440, 146822, 176800, 180704, 191998, 208000, 221000, 225880, 272000, 282350, 293644, 353600, 361408, 367055, 383996, 442000, 451760, 479995, 564700, 587288, 705875, 707200, 722816, 734110, 767992, 884000, 903520, 959990, 1129400, 1174576, 1247987, 1411750, 1468220, 1535984, 1768000, 1807040, 1835275, 1919980, 2258800, 2349152, 2399975, 2495974, 2823500, 2936440, 3071968, 3536000, 3614080, 3670550, 3839960, 4517600, 4698304, 4799950, 4991948, 5647000, 5872880, 6143936, 6239935, 7341100, 7679920, 9035200, 9176375, 9396608, 9599900, 9983896, 11294000, 11745760, 11999875, 12287872, 12479870, 14682200, 15359840, 18070400, 18352750, 19199800, 19967792, 22588000, 23491520, 23999750, 24959740, 29364400, 30719680, 31199675, 36705500, 38399600, 39935584, 45176000, 46983040, 47999500, 49919480, 58728800, 61439360, 62399350, 73411000, 76799200, 79871168, 90352000, 95999000, 99838960, 117457600, 124798700, 146822000, 153598400, 155998375, 159742336, 191998000, 199677920, 234915200, 249597400, 293644000, 307196800, 311996750, 383996000, 399355840, 499194800, 587288000, 623993500, 767992000, 798711680, 998389600, 1174576000, 1247987000, 1535984000, 1996779200, 2495974000, 3993558400, 4991948000, 9983896000, 19967792000]

約数ペア:

[(1, 19967792000), (2, 9983896000), (4, 4991948000), (5, 3993558400), (8, 2495974000), (10, 1996779200), (13, 1535984000), (16, 1247987000), (17, 1174576000), (20, 998389600), (25, 798711680), (26, 767992000), (32, 623993500), (34, 587288000), (40, 499194800), (50, 399355840), (52, 383996000), (64, 311996750), (65, 307196800), (68, 293644000), (80, 249597400), (85, 234915200), (100, 199677920), (104, 191998000), (125, 159742336), (128, 155998375), (130, 153598400), (136, 146822000), (160, 124798700), (170, 117457600), (200, 99838960), (208, 95999000), (221, 90352000), (250, 79871168), (260, 76799200), (272, 73411000), (320, 62399350), (325, 61439360), (340, 58728800), (400, 49919480), (416, 47999500), (425, 46983040), (442, 45176000), (500, 39935584), (520, 38399600), (544, 36705500), (640, 31199675), (650, 30719680), (680, 29364400), (800, 24959740), (832, 23999750), (850, 23491520), (884, 22588000), (1000, 19967792), (1040, 19199800), (1088, 18352750), (1105, 18070400), (1300, 15359840), (1360, 14682200), (1600, 12479870), (1625, 12287872), (1664, 11999875), (1700, 11745760), (1768, 11294000), (2000, 9983896), (2080, 9599900), (2125, 9396608), (2176, 9176375), (2210, 9035200), (2600, 7679920), (2720, 7341100), (3200, 6239935), (3250, 6143936), (3400, 5872880), (3536, 5647000), (4000, 4991948), (4160, 4799950), (4250, 4698304), (4420, 4517600), (5200, 3839960), (5440, 3670550), (5525, 3614080), (5647, 3536000), (6500, 3071968), (6800, 2936440), (7072, 2823500), (8000, 2495974), (8320, 2399975), (8500, 2349152), (8840, 2258800), (10400, 1919980), (10880, 1835275), (11050, 1807040), (11294, 1768000), (13000, 1535984), (13600, 1468220), (14144, 1411750), (16000, 1247987), (17000, 1174576), (17680, 1129400), (20800, 959990), (22100, 903520), (22588, 884000), (26000, 767992), (27200, 734110), (27625, 722816), (28235, 707200), (28288, 705875), (34000, 587288), (35360, 564700), (41600, 479995), (44200, 451760), (45176, 442000), (52000, 383996), (54400, 367055), (55250, 361408), (56470, 353600), (68000, 293644), (70720, 282350), (73411, 272000), (88400, 225880), (90352, 221000), (95999, 208000), (104000, 191998), (110500, 180704), (112940, 176800), (136000, 146822), (141175, 141440)]