19922944000

素因数分解:

$2^{23}\times 5^3\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 52344910800

約数和(自身を除く): 32421966800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 256, 304, 320, 380, 400, 475, 500, 512, 608, 640, 760, 800, 950, 1000, 1024, 1216, 1280, 1520, 1600, 1900, 2000, 2048, 2375, 2432, 2560, 3040, 3200, 3800, 4000, 4096, 4750, 4864, 5120, 6080, 6400, 7600, 8000, 8192, 9500, 9728, 10240, 12160, 12800, 15200, 16000, 16384, 19000, 19456, 20480, 24320, 25600, 30400, 32000, 32768, 38000, 38912, 40960, 48640, 51200, 60800, 64000, 65536, 76000, 77824, 81920, 97280, 102400, 121600, 128000, 131072, 152000, 155648, 163840, 194560, 204800, 243200, 256000, 262144, 304000, 311296, 327680, 389120, 409600, 486400, 512000, 524288, 608000, 622592, 655360, 778240, 819200, 972800, 1024000, 1048576, 1216000, 1245184, 1310720, 1556480, 1638400, 1945600, 2048000, 2097152, 2432000, 2490368, 2621440, 3112960, 3276800, 3891200, 4096000, 4194304, 4864000, 4980736, 5242880, 6225920, 6553600, 7782400, 8192000, 8388608, 9728000, 9961472, 10485760, 12451840, 13107200, 15564800, 16384000, 19456000, 19922944, 20971520, 24903680, 26214400, 31129600, 32768000, 38912000, 39845888, 41943040, 49807360, 52428800, 62259200, 65536000, 77824000, 79691776, 99614720, 104857600, 124518400, 131072000, 155648000, 159383552, 199229440, 209715200, 249036800, 262144000, 311296000, 398458880, 498073600, 524288000, 622592000, 796917760, 996147200, 1048576000, 1245184000, 1992294400, 2490368000, 3984588800, 4980736000, 9961472000, 19922944000]

約数ペア:

[(1, 19922944000), (2, 9961472000), (4, 4980736000), (5, 3984588800), (8, 2490368000), (10, 1992294400), (16, 1245184000), (19, 1048576000), (20, 996147200), (25, 796917760), (32, 622592000), (38, 524288000), (40, 498073600), (50, 398458880), (64, 311296000), (76, 262144000), (80, 249036800), (95, 209715200), (100, 199229440), (125, 159383552), (128, 155648000), (152, 131072000), (160, 124518400), (190, 104857600), (200, 99614720), (250, 79691776), (256, 77824000), (304, 65536000), (320, 62259200), (380, 52428800), (400, 49807360), (475, 41943040), (500, 39845888), (512, 38912000), (608, 32768000), (640, 31129600), (760, 26214400), (800, 24903680), (950, 20971520), (1000, 19922944), (1024, 19456000), (1216, 16384000), (1280, 15564800), (1520, 13107200), (1600, 12451840), (1900, 10485760), (2000, 9961472), (2048, 9728000), (2375, 8388608), (2432, 8192000), (2560, 7782400), (3040, 6553600), (3200, 6225920), (3800, 5242880), (4000, 4980736), (4096, 4864000), (4750, 4194304), (4864, 4096000), (5120, 3891200), (6080, 3276800), (6400, 3112960), (7600, 2621440), (8000, 2490368), (8192, 2432000), (9500, 2097152), (9728, 2048000), (10240, 1945600), (12160, 1638400), (12800, 1556480), (15200, 1310720), (16000, 1245184), (16384, 1216000), (19000, 1048576), (19456, 1024000), (20480, 972800), (24320, 819200), (25600, 778240), (30400, 655360), (32000, 622592), (32768, 608000), (38000, 524288), (38912, 512000), (40960, 486400), (48640, 409600), (51200, 389120), (60800, 327680), (64000, 311296), (65536, 304000), (76000, 262144), (77824, 256000), (81920, 243200), (97280, 204800), (102400, 194560), (121600, 163840), (128000, 155648), (131072, 152000)]