80511704

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 197904000

約数和(自身を除く): 117392296

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 49, 52, 56, 61, 74, 91, 98, 104, 122, 148, 182, 196, 244, 259, 296, 343, 364, 392, 427, 481, 488, 518, 637, 686, 728, 793, 854, 962, 1036, 1274, 1372, 1586, 1708, 1813, 1924, 2072, 2257, 2548, 2744, 2989, 3172, 3367, 3416, 3626, 3848, 4459, 4514, 5096, 5551, 5978, 6344, 6734, 7252, 8918, 9028, 11102, 11956, 12691, 13468, 14504, 15799, 17836, 18056, 20923, 22204, 23569, 23912, 25382, 26936, 29341, 31598, 35672, 38857, 41846, 44408, 47138, 50764, 58682, 63196, 77714, 83692, 94276, 101528, 110593, 117364, 126392, 155428, 164983, 167384, 188552, 205387, 221186, 234728, 271999, 310856, 329966, 410774, 442372, 543998, 659932, 774151, 821548, 884744, 1087996, 1319864, 1437709, 1548302, 1643096, 2175992, 2875418, 3096604, 5750836, 6193208, 10063963, 11501672, 20127926, 40255852, 80511704]

約数ペア:

[(1, 80511704), (2, 40255852), (4, 20127926), (7, 11501672), (8, 10063963), (13, 6193208), (14, 5750836), (26, 3096604), (28, 2875418), (37, 2175992), (49, 1643096), (52, 1548302), (56, 1437709), (61, 1319864), (74, 1087996), (91, 884744), (98, 821548), (104, 774151), (122, 659932), (148, 543998), (182, 442372), (196, 410774), (244, 329966), (259, 310856), (296, 271999), (343, 234728), (364, 221186), (392, 205387), (427, 188552), (481, 167384), (488, 164983), (518, 155428), (637, 126392), (686, 117364), (728, 110593), (793, 101528), (854, 94276), (962, 83692), (1036, 77714), (1274, 63196), (1372, 58682), (1586, 50764), (1708, 47138), (1813, 44408), (1924, 41846), (2072, 38857), (2257, 35672), (2548, 31598), (2744, 29341), (2989, 26936), (3172, 25382), (3367, 23912), (3416, 23569), (3626, 22204), (3848, 20923), (4459, 18056), (4514, 17836), (5096, 15799), (5551, 14504), (5978, 13468), (6344, 12691), (6734, 11956), (7252, 11102), (8918, 9028)]