40544320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 112

約数和(自身を含む): 106161840

約数和(自身を除く): 65617520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 136, 145, 160, 170, 232, 257, 272, 290, 320, 340, 464, 493, 514, 544, 580, 680, 928, 986, 1028, 1088, 1160, 1285, 1360, 1856, 1972, 2056, 2320, 2465, 2570, 2720, 3944, 4112, 4369, 4640, 4930, 5140, 5440, 7453, 7888, 8224, 8738, 9280, 9860, 10280, 14906, 15776, 16448, 17476, 19720, 20560, 21845, 29812, 31552, 34952, 37265, 39440, 41120, 43690, 59624, 69904, 74530, 78880, 82240, 87380, 119248, 126701, 139808, 149060, 157760, 174760, 238496, 253402, 279616, 298120, 349520, 476992, 506804, 596240, 633505, 699040, 1013608, 1192480, 1267010, 1398080, 2027216, 2384960, 2534020, 4054432, 5068040, 8108864, 10136080, 20272160, 40544320]

約数ペア:

[(1, 40544320), (2, 20272160), (4, 10136080), (5, 8108864), (8, 5068040), (10, 4054432), (16, 2534020), (17, 2384960), (20, 2027216), (29, 1398080), (32, 1267010), (34, 1192480), (40, 1013608), (58, 699040), (64, 633505), (68, 596240), (80, 506804), (85, 476992), (116, 349520), (136, 298120), (145, 279616), (160, 253402), (170, 238496), (232, 174760), (257, 157760), (272, 149060), (290, 139808), (320, 126701), (340, 119248), (464, 87380), (493, 82240), (514, 78880), (544, 74530), (580, 69904), (680, 59624), (928, 43690), (986, 41120), (1028, 39440), (1088, 37265), (1160, 34952), (1285, 31552), (1360, 29812), (1856, 21845), (1972, 20560), (2056, 19720), (2320, 17476), (2465, 16448), (2570, 15776), (2720, 14906), (3944, 10280), (4112, 9860), (4369, 9280), (4640, 8738), (4930, 8224), (5140, 7888), (5440, 7453)]