2020170880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34687}}^1$

素因数の和:34726

約数の個数: 128

約数和(自身を含む): 5944135680

約数和(自身を除く): 3923964800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 5824, 7280, 8320, 11648, 14560, 29120, 34687, 58240, 69374, 138748, 173435, 242809, 277496, 346870, 450931, 485618, 554992, 693740, 901862, 971236, 1109984, 1214045, 1387480, 1803724, 1942472, 2219968, 2254655, 2428090, 2774960, 3156517, 3607448, 3884944, 4439936, 4509310, 4856180, 5549920, 6313034, 7214896, 7769888, 9018620, 9712360, 11099840, 12626068, 14429792, 15539776, 15782585, 18037240, 19424720, 22199680, 25252136, 28859584, 31079552, 31565170, 36074480, 38849440, 50504272, 57719168, 63130340, 72148960, 77698880, 101008544, 126260680, 144297920, 155397760, 202017088, 252521360, 288595840, 404034176, 505042720, 1010085440, 2020170880]

約数ペア:

[(1, 2020170880), (2, 1010085440), (4, 505042720), (5, 404034176), (7, 288595840), (8, 252521360), (10, 202017088), (13, 155397760), (14, 144297920), (16, 126260680), (20, 101008544), (26, 77698880), (28, 72148960), (32, 63130340), (35, 57719168), (40, 50504272), (52, 38849440), (56, 36074480), (64, 31565170), (65, 31079552), (70, 28859584), (80, 25252136), (91, 22199680), (104, 19424720), (112, 18037240), (128, 15782585), (130, 15539776), (140, 14429792), (160, 12626068), (182, 11099840), (208, 9712360), (224, 9018620), (260, 7769888), (280, 7214896), (320, 6313034), (364, 5549920), (416, 4856180), (448, 4509310), (455, 4439936), (520, 3884944), (560, 3607448), (640, 3156517), (728, 2774960), (832, 2428090), (896, 2254655), (910, 2219968), (1040, 1942472), (1120, 1803724), (1456, 1387480), (1664, 1214045), (1820, 1109984), (2080, 971236), (2240, 901862), (2912, 693740), (3640, 554992), (4160, 485618), (4480, 450931), (5824, 346870), (7280, 277496), (8320, 242809), (11648, 173435), (14560, 138748), (29120, 69374), (34687, 58240)]