38493440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 102649680

約数和(自身を除く): 64156240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 61, 64, 68, 80, 85, 116, 122, 128, 136, 145, 160, 170, 232, 244, 256, 272, 290, 305, 320, 340, 464, 488, 493, 544, 580, 610, 640, 680, 928, 976, 986, 1037, 1088, 1160, 1220, 1280, 1360, 1769, 1856, 1952, 1972, 2074, 2176, 2320, 2440, 2465, 2720, 3538, 3712, 3904, 3944, 4148, 4352, 4640, 4880, 4930, 5185, 5440, 7076, 7424, 7808, 7888, 8296, 8845, 9280, 9760, 9860, 10370, 10880, 14152, 15616, 15776, 16592, 17690, 18560, 19520, 19720, 20740, 21760, 28304, 30073, 31552, 33184, 35380, 37120, 39040, 39440, 41480, 56608, 60146, 63104, 66368, 70760, 78080, 78880, 82960, 113216, 120292, 126208, 132736, 141520, 150365, 157760, 165920, 226432, 240584, 265472, 283040, 300730, 315520, 331840, 452864, 481168, 566080, 601460, 631040, 663680, 962336, 1132160, 1202920, 1327360, 1924672, 2264320, 2405840, 3849344, 4811680, 7698688, 9623360, 19246720, 38493440]

約数ペア:

[(1, 38493440), (2, 19246720), (4, 9623360), (5, 7698688), (8, 4811680), (10, 3849344), (16, 2405840), (17, 2264320), (20, 1924672), (29, 1327360), (32, 1202920), (34, 1132160), (40, 962336), (58, 663680), (61, 631040), (64, 601460), (68, 566080), (80, 481168), (85, 452864), (116, 331840), (122, 315520), (128, 300730), (136, 283040), (145, 265472), (160, 240584), (170, 226432), (232, 165920), (244, 157760), (256, 150365), (272, 141520), (290, 132736), (305, 126208), (320, 120292), (340, 113216), (464, 82960), (488, 78880), (493, 78080), (544, 70760), (580, 66368), (610, 63104), (640, 60146), (680, 56608), (928, 41480), (976, 39440), (986, 39040), (1037, 37120), (1088, 35380), (1160, 33184), (1220, 31552), (1280, 30073), (1360, 28304), (1769, 21760), (1856, 20740), (1952, 19720), (1972, 19520), (2074, 18560), (2176, 17690), (2320, 16592), (2440, 15776), (2465, 15616), (2720, 14152), (3538, 10880), (3712, 10370), (3904, 9860), (3944, 9760), (4148, 9280), (4352, 8845), (4640, 8296), (4880, 7888), (4930, 7808), (5185, 7424), (5440, 7076)]