28554560

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 112

約数和(自身を含む): 74889360

約数和(自身を除く): 46334800

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, 181, 232, 272, 290, 320, 340, 362, 464, 493, 544, 580, 680, 724, 905, 928, 986, 1088, 1160, 1360, 1448, 1810, 1856, 1972, 2320, 2465, 2720, 2896, 3077, 3620, 3944, 4640, 4930, 5249, 5440, 5792, 6154, 7240, 7888, 9280, 9860, 10498, 11584, 12308, 14480, 15385, 15776, 19720, 20996, 24616, 26245, 28960, 30770, 31552, 39440, 41992, 49232, 52490, 57920, 61540, 78880, 83984, 89233, 98464, 104980, 123080, 157760, 167968, 178466, 196928, 209960, 246160, 335936, 356932, 419920, 446165, 492320, 713864, 839840, 892330, 984640, 1427728, 1679680, 1784660, 2855456, 3569320, 5710912, 7138640, 14277280, 28554560]

約数ペア:

[(1, 28554560), (2, 14277280), (4, 7138640), (5, 5710912), (8, 3569320), (10, 2855456), (16, 1784660), (17, 1679680), (20, 1427728), (29, 984640), (32, 892330), (34, 839840), (40, 713864), (58, 492320), (64, 446165), (68, 419920), (80, 356932), (85, 335936), (116, 246160), (136, 209960), (145, 196928), (160, 178466), (170, 167968), (181, 157760), (232, 123080), (272, 104980), (290, 98464), (320, 89233), (340, 83984), (362, 78880), (464, 61540), (493, 57920), (544, 52490), (580, 49232), (680, 41992), (724, 39440), (905, 31552), (928, 30770), (986, 28960), (1088, 26245), (1160, 24616), (1360, 20996), (1448, 19720), (1810, 15776), (1856, 15385), (1972, 14480), (2320, 12308), (2465, 11584), (2720, 10498), (2896, 9860), (3077, 9280), (3620, 7888), (3944, 7240), (4640, 6154), (4930, 5792), (5249, 5440)]