51645440

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 176

約数和(自身を含む): 155637504

約数和(自身を除く): 103992064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 131, 140, 154, 160, 176, 220, 224, 256, 262, 280, 308, 320, 352, 385, 440, 448, 512, 524, 560, 616, 640, 655, 704, 770, 880, 896, 917, 1024, 1048, 1120, 1232, 1280, 1310, 1408, 1441, 1540, 1760, 1792, 1834, 2096, 2240, 2464, 2560, 2620, 2816, 2882, 3080, 3520, 3584, 3668, 4192, 4480, 4585, 4928, 5120, 5240, 5632, 5764, 6160, 7040, 7168, 7205, 7336, 8384, 8960, 9170, 9856, 10087, 10480, 11264, 11528, 12320, 14080, 14410, 14672, 16768, 17920, 18340, 19712, 20174, 20960, 23056, 24640, 28160, 28820, 29344, 33536, 35840, 36680, 39424, 40348, 41920, 46112, 49280, 50435, 56320, 57640, 58688, 67072, 73360, 78848, 80696, 83840, 92224, 98560, 100870, 115280, 117376, 134144, 146720, 161392, 167680, 184448, 197120, 201740, 230560, 234752, 293440, 322784, 335360, 368896, 394240, 403480, 461120, 469504, 586880, 645568, 670720, 737792, 806960, 922240, 939008, 1173760, 1291136, 1475584, 1613920, 1844480, 2347520, 2582272, 3227840, 3688960, 4695040, 5164544, 6455680, 7377920, 10329088, 12911360, 25822720, 51645440]

約数ペア:

[(1, 51645440), (2, 25822720), (4, 12911360), (5, 10329088), (7, 7377920), (8, 6455680), (10, 5164544), (11, 4695040), (14, 3688960), (16, 3227840), (20, 2582272), (22, 2347520), (28, 1844480), (32, 1613920), (35, 1475584), (40, 1291136), (44, 1173760), (55, 939008), (56, 922240), (64, 806960), (70, 737792), (77, 670720), (80, 645568), (88, 586880), (110, 469504), (112, 461120), (128, 403480), (131, 394240), (140, 368896), (154, 335360), (160, 322784), (176, 293440), (220, 234752), (224, 230560), (256, 201740), (262, 197120), (280, 184448), (308, 167680), (320, 161392), (352, 146720), (385, 134144), (440, 117376), (448, 115280), (512, 100870), (524, 98560), (560, 92224), (616, 83840), (640, 80696), (655, 78848), (704, 73360), (770, 67072), (880, 58688), (896, 57640), (917, 56320), (1024, 50435), (1048, 49280), (1120, 46112), (1232, 41920), (1280, 40348), (1310, 39424), (1408, 36680), (1441, 35840), (1540, 33536), (1760, 29344), (1792, 28820), (1834, 28160), (2096, 24640), (2240, 23056), (2464, 20960), (2560, 20174), (2620, 19712), (2816, 18340), (2882, 17920), (3080, 16768), (3520, 14672), (3584, 14410), (3668, 14080), (4192, 12320), (4480, 11528), (4585, 11264), (4928, 10480), (5120, 10087), (5240, 9856), (5632, 9170), (5764, 8960), (6160, 8384), (7040, 7336), (7168, 7205)]