2008809920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 224

約数和(自身を含む): 5474305536

約数和(自身を除く): 3465495616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 64, 65, 74, 80, 104, 124, 130, 148, 155, 160, 185, 208, 248, 260, 296, 310, 320, 370, 403, 416, 421, 481, 496, 520, 592, 620, 740, 806, 832, 842, 962, 992, 1040, 1147, 1184, 1240, 1480, 1612, 1684, 1924, 1984, 2015, 2080, 2105, 2294, 2368, 2405, 2480, 2960, 3224, 3368, 3848, 4030, 4160, 4210, 4588, 4810, 4960, 5473, 5735, 5920, 6448, 6736, 7696, 8060, 8420, 9176, 9620, 9920, 10946, 11470, 11840, 12896, 13051, 13472, 14911, 15392, 15577, 16120, 16840, 18352, 19240, 21892, 22940, 25792, 26102, 26944, 27365, 29822, 30784, 31154, 32240, 33680, 36704, 38480, 43784, 45880, 52204, 54730, 59644, 62308, 64480, 65255, 67360, 73408, 74555, 76960, 77885, 87568, 91760, 104408, 109460, 119288, 124616, 128960, 130510, 134720, 149110, 153920, 155770, 169663, 175136, 183520, 202501, 208816, 218920, 238576, 249232, 261020, 298220, 311540, 339326, 350272, 367040, 405002, 417632, 437840, 477152, 482887, 498464, 522040, 596440, 623080, 678652, 810004, 835264, 848315, 875680, 954304, 965774, 996928, 1012505, 1044080, 1192880, 1246160, 1357304, 1620008, 1696630, 1751360, 1931548, 2025010, 2088160, 2385760, 2414435, 2492320, 2714608, 3240016, 3393260, 3863096, 4050020, 4176320, 4771520, 4828870, 4984640, 5429216, 6277531, 6480032, 6786520, 7726192, 8100040, 9657740, 10858432, 12555062, 12960064, 13573040, 15452384, 16200080, 19315480, 25110124, 27146080, 30904768, 31387655, 32400160, 38630960, 50220248, 54292160, 62775310, 64800320, 77261920, 100440496, 125550620, 154523840, 200880992, 251101240, 401761984, 502202480, 1004404960, 2008809920]

約数ペア:

[(1, 2008809920), (2, 1004404960), (4, 502202480), (5, 401761984), (8, 251101240), (10, 200880992), (13, 154523840), (16, 125550620), (20, 100440496), (26, 77261920), (31, 64800320), (32, 62775310), (37, 54292160), (40, 50220248), (52, 38630960), (62, 32400160), (64, 31387655), (65, 30904768), (74, 27146080), (80, 25110124), (104, 19315480), (124, 16200080), (130, 15452384), (148, 13573040), (155, 12960064), (160, 12555062), (185, 10858432), (208, 9657740), (248, 8100040), (260, 7726192), (296, 6786520), (310, 6480032), (320, 6277531), (370, 5429216), (403, 4984640), (416, 4828870), (421, 4771520), (481, 4176320), (496, 4050020), (520, 3863096), (592, 3393260), (620, 3240016), (740, 2714608), (806, 2492320), (832, 2414435), (842, 2385760), (962, 2088160), (992, 2025010), (1040, 1931548), (1147, 1751360), (1184, 1696630), (1240, 1620008), (1480, 1357304), (1612, 1246160), (1684, 1192880), (1924, 1044080), (1984, 1012505), (2015, 996928), (2080, 965774), (2105, 954304), (2294, 875680), (2368, 848315), (2405, 835264), (2480, 810004), (2960, 678652), (3224, 623080), (3368, 596440), (3848, 522040), (4030, 498464), (4160, 482887), (4210, 477152), (4588, 437840), (4810, 417632), (4960, 405002), (5473, 367040), (5735, 350272), (5920, 339326), (6448, 311540), (6736, 298220), (7696, 261020), (8060, 249232), (8420, 238576), (9176, 218920), (9620, 208816), (9920, 202501), (10946, 183520), (11470, 175136), (11840, 169663), (12896, 155770), (13051, 153920), (13472, 149110), (14911, 134720), (15392, 130510), (15577, 128960), (16120, 124616), (16840, 119288), (18352, 109460), (19240, 104408), (21892, 91760), (22940, 87568), (25792, 77885), (26102, 76960), (26944, 74555), (27365, 73408), (29822, 67360), (30784, 65255), (31154, 64480), (32240, 62308), (33680, 59644), (36704, 54730), (38480, 52204), (43784, 45880)]