20793820160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 176

約数和(自身を含む): 50913802800

約数和(自身を除く): 30119982640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 149, 160, 194, 256, 281, 298, 320, 388, 485, 512, 562, 596, 640, 745, 776, 970, 1024, 1124, 1192, 1280, 1405, 1490, 1552, 1940, 2248, 2384, 2560, 2810, 2980, 3104, 3880, 4496, 4768, 5120, 5620, 5960, 6208, 7760, 8992, 9536, 11240, 11920, 12416, 14453, 15520, 17984, 19072, 22480, 23840, 24832, 27257, 28906, 31040, 35968, 38144, 41869, 44960, 47680, 49664, 54514, 57812, 62080, 71936, 72265, 76288, 83738, 89920, 95360, 99328, 109028, 115624, 124160, 136285, 143872, 144530, 152576, 167476, 179840, 190720, 209345, 218056, 231248, 248320, 272570, 287744, 289060, 334952, 359680, 381440, 418690, 436112, 462496, 496640, 545140, 578120, 669904, 719360, 762880, 837380, 872224, 924992, 1090280, 1156240, 1339808, 1438720, 1674760, 1744448, 1849984, 2180560, 2312480, 2679616, 3349520, 3488896, 3699968, 4061293, 4361120, 4624960, 5359232, 6699040, 6977792, 7399936, 8122586, 8722240, 9249920, 10718464, 13398080, 13955584, 14799872, 16245172, 17444480, 18499840, 20306465, 21436928, 26796160, 27911168, 32490344, 34888960, 36999680, 40612930, 42873856, 53592320, 64980688, 69777920, 73999360, 81225860, 107184640, 129961376, 139555840, 162451720, 214369280, 259922752, 324903440, 519845504, 649806880, 1039691008, 1299613760, 2079382016, 2599227520, 4158764032, 5198455040, 10396910080, 20793820160]

約数ペア:

[(1, 20793820160), (2, 10396910080), (4, 5198455040), (5, 4158764032), (8, 2599227520), (10, 2079382016), (16, 1299613760), (20, 1039691008), (32, 649806880), (40, 519845504), (64, 324903440), (80, 259922752), (97, 214369280), (128, 162451720), (149, 139555840), (160, 129961376), (194, 107184640), (256, 81225860), (281, 73999360), (298, 69777920), (320, 64980688), (388, 53592320), (485, 42873856), (512, 40612930), (562, 36999680), (596, 34888960), (640, 32490344), (745, 27911168), (776, 26796160), (970, 21436928), (1024, 20306465), (1124, 18499840), (1192, 17444480), (1280, 16245172), (1405, 14799872), (1490, 13955584), (1552, 13398080), (1940, 10718464), (2248, 9249920), (2384, 8722240), (2560, 8122586), (2810, 7399936), (2980, 6977792), (3104, 6699040), (3880, 5359232), (4496, 4624960), (4768, 4361120), (5120, 4061293), (5620, 3699968), (5960, 3488896), (6208, 3349520), (7760, 2679616), (8992, 2312480), (9536, 2180560), (11240, 1849984), (11920, 1744448), (12416, 1674760), (14453, 1438720), (15520, 1339808), (17984, 1156240), (19072, 1090280), (22480, 924992), (23840, 872224), (24832, 837380), (27257, 762880), (28906, 719360), (31040, 669904), (35968, 578120), (38144, 545140), (41869, 496640), (44960, 462496), (47680, 436112), (49664, 418690), (54514, 381440), (57812, 359680), (62080, 334952), (71936, 289060), (72265, 287744), (76288, 272570), (83738, 248320), (89920, 231248), (95360, 218056), (99328, 209345), (109028, 190720), (115624, 179840), (124160, 167476), (136285, 152576), (143872, 144530)]