27821440

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 68850000

約数和(自身を除く): 41028560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1160, 1499, 1856, 2320, 2998, 3712, 4640, 5996, 7495, 9280, 11992, 14990, 18560, 23984, 29980, 43471, 47968, 59960, 86942, 95936, 119920, 173884, 191872, 217355, 239840, 347768, 434710, 479680, 695536, 869420, 959360, 1391072, 1738840, 2782144, 3477680, 5564288, 6955360, 13910720, 27821440]

約数ペア:

[(1, 27821440), (2, 13910720), (4, 6955360), (5, 5564288), (8, 3477680), (10, 2782144), (16, 1738840), (20, 1391072), (29, 959360), (32, 869420), (40, 695536), (58, 479680), (64, 434710), (80, 347768), (116, 239840), (128, 217355), (145, 191872), (160, 173884), (232, 119920), (290, 95936), (320, 86942), (464, 59960), (580, 47968), (640, 43471), (928, 29980), (1160, 23984), (1499, 18560), (1856, 14990), (2320, 11992), (2998, 9280), (3712, 7495), (4640, 5996)]