38805760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 109492992

約数和(自身を除く): 70687232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 71, 80, 112, 122, 128, 140, 142, 160, 224, 244, 256, 280, 284, 305, 320, 355, 427, 448, 488, 497, 560, 568, 610, 640, 710, 854, 896, 976, 994, 1120, 1136, 1220, 1280, 1420, 1708, 1792, 1952, 1988, 2135, 2240, 2272, 2440, 2485, 2840, 3416, 3904, 3976, 4270, 4331, 4480, 4544, 4880, 4970, 5680, 6832, 7808, 7952, 8540, 8662, 8960, 9088, 9760, 9940, 11360, 13664, 15616, 15904, 17080, 17324, 18176, 19520, 19880, 21655, 22720, 27328, 30317, 31808, 34160, 34648, 39040, 39760, 43310, 45440, 54656, 60634, 63616, 68320, 69296, 78080, 79520, 86620, 90880, 109312, 121268, 127232, 136640, 138592, 151585, 159040, 173240, 242536, 273280, 277184, 303170, 318080, 346480, 485072, 546560, 554368, 606340, 636160, 692960, 970144, 1108736, 1212680, 1385920, 1940288, 2425360, 2771840, 3880576, 4850720, 5543680, 7761152, 9701440, 19402880, 38805760]

約数ペア:

[(1, 38805760), (2, 19402880), (4, 9701440), (5, 7761152), (7, 5543680), (8, 4850720), (10, 3880576), (14, 2771840), (16, 2425360), (20, 1940288), (28, 1385920), (32, 1212680), (35, 1108736), (40, 970144), (56, 692960), (61, 636160), (64, 606340), (70, 554368), (71, 546560), (80, 485072), (112, 346480), (122, 318080), (128, 303170), (140, 277184), (142, 273280), (160, 242536), (224, 173240), (244, 159040), (256, 151585), (280, 138592), (284, 136640), (305, 127232), (320, 121268), (355, 109312), (427, 90880), (448, 86620), (488, 79520), (497, 78080), (560, 69296), (568, 68320), (610, 63616), (640, 60634), (710, 54656), (854, 45440), (896, 43310), (976, 39760), (994, 39040), (1120, 34648), (1136, 34160), (1220, 31808), (1280, 30317), (1420, 27328), (1708, 22720), (1792, 21655), (1952, 19880), (1988, 19520), (2135, 18176), (2240, 17324), (2272, 17080), (2440, 15904), (2485, 15616), (2840, 13664), (3416, 11360), (3904, 9940), (3976, 9760), (4270, 9088), (4331, 8960), (4480, 8662), (4544, 8540), (4880, 7952), (4970, 7808), (5680, 6832)]