20801454080

素因数分解:

$2^{16}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 272

約数和(自身を含む): 56622672000

約数和(自身を除く): 35821217920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 199, 220, 232, 256, 290, 319, 320, 352, 398, 440, 464, 512, 580, 638, 640, 704, 796, 880, 928, 995, 1024, 1160, 1276, 1280, 1408, 1592, 1595, 1760, 1856, 1990, 2048, 2189, 2320, 2552, 2560, 2816, 3184, 3190, 3520, 3712, 3980, 4096, 4378, 4640, 5104, 5120, 5632, 5771, 6368, 6380, 7040, 7424, 7960, 8192, 8756, 9280, 10208, 10240, 10945, 11264, 11542, 12736, 12760, 14080, 14848, 15920, 16384, 17512, 18560, 20416, 20480, 21890, 22528, 23084, 25472, 25520, 28160, 28855, 29696, 31840, 32768, 35024, 37120, 40832, 40960, 43780, 45056, 46168, 50944, 51040, 56320, 57710, 59392, 63481, 63680, 65536, 70048, 74240, 81664, 81920, 87560, 90112, 92336, 101888, 102080, 112640, 115420, 118784, 126962, 127360, 140096, 148480, 163328, 163840, 175120, 180224, 184672, 203776, 204160, 225280, 230840, 237568, 253924, 254720, 280192, 296960, 317405, 326656, 327680, 350240, 360448, 369344, 407552, 408320, 450560, 461680, 475136, 507848, 509440, 560384, 593920, 634810, 653312, 700480, 720896, 738688, 815104, 816640, 901120, 923360, 950272, 1015696, 1018880, 1120768, 1187840, 1269620, 1306624, 1400960, 1477376, 1630208, 1633280, 1802240, 1846720, 1900544, 2031392, 2037760, 2241536, 2375680, 2539240, 2613248, 2801920, 2954752, 3260416, 3266560, 3604480, 3693440, 4062784, 4075520, 4483072, 4751360, 5078480, 5226496, 5603840, 5909504, 6520832, 6533120, 7386880, 8125568, 8151040, 8966144, 9502720, 10156960, 10452992, 11207680, 11819008, 13041664, 13066240, 14773760, 16251136, 16302080, 17932288, 20313920, 20905984, 22415360, 23638016, 26132480, 29547520, 32502272, 32604160, 35864576, 40627840, 44830720, 47276032, 52264960, 59095040, 65004544, 65208320, 71729152, 81255680, 89661440, 94552064, 104529920, 118190080, 130009088, 143458304, 162511360, 179322880, 189104128, 236380160, 260018176, 325022720, 358645760, 378208256, 472760320, 520036352, 650045440, 717291520, 945520640, 1040072704, 1300090880, 1891041280, 2080145408, 2600181760, 4160290816, 5200363520, 10400727040, 20801454080]

約数ペア:

[(1, 20801454080), (2, 10400727040), (4, 5200363520), (5, 4160290816), (8, 2600181760), (10, 2080145408), (11, 1891041280), (16, 1300090880), (20, 1040072704), (22, 945520640), (29, 717291520), (32, 650045440), (40, 520036352), (44, 472760320), (55, 378208256), (58, 358645760), (64, 325022720), (80, 260018176), (88, 236380160), (110, 189104128), (116, 179322880), (128, 162511360), (145, 143458304), (160, 130009088), (176, 118190080), (199, 104529920), (220, 94552064), (232, 89661440), (256, 81255680), (290, 71729152), (319, 65208320), (320, 65004544), (352, 59095040), (398, 52264960), (440, 47276032), (464, 44830720), (512, 40627840), (580, 35864576), (638, 32604160), (640, 32502272), (704, 29547520), (796, 26132480), (880, 23638016), (928, 22415360), (995, 20905984), (1024, 20313920), (1160, 17932288), (1276, 16302080), (1280, 16251136), (1408, 14773760), (1592, 13066240), (1595, 13041664), (1760, 11819008), (1856, 11207680), (1990, 10452992), (2048, 10156960), (2189, 9502720), (2320, 8966144), (2552, 8151040), (2560, 8125568), (2816, 7386880), (3184, 6533120), (3190, 6520832), (3520, 5909504), (3712, 5603840), (3980, 5226496), (4096, 5078480), (4378, 4751360), (4640, 4483072), (5104, 4075520), (5120, 4062784), (5632, 3693440), (5771, 3604480), (6368, 3266560), (6380, 3260416), (7040, 2954752), (7424, 2801920), (7960, 2613248), (8192, 2539240), (8756, 2375680), (9280, 2241536), (10208, 2037760), (10240, 2031392), (10945, 1900544), (11264, 1846720), (11542, 1802240), (12736, 1633280), (12760, 1630208), (14080, 1477376), (14848, 1400960), (15920, 1306624), (16384, 1269620), (17512, 1187840), (18560, 1120768), (20416, 1018880), (20480, 1015696), (21890, 950272), (22528, 923360), (23084, 901120), (25472, 816640), (25520, 815104), (28160, 738688), (28855, 720896), (29696, 700480), (31840, 653312), (32768, 634810), (35024, 593920), (37120, 560384), (40832, 509440), (40960, 507848), (43780, 475136), (45056, 461680), (46168, 450560), (50944, 408320), (51040, 407552), (56320, 369344), (57710, 360448), (59392, 350240), (63481, 327680), (63680, 326656), (65536, 317405), (70048, 296960), (74240, 280192), (81664, 254720), (81920, 253924), (87560, 237568), (90112, 230840), (92336, 225280), (101888, 204160), (102080, 203776), (112640, 184672), (115420, 180224), (118784, 175120), (126962, 163840), (127360, 163328), (140096, 148480)]