80898400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:377

約数の個数: 144

約数和(自身を含む): 223579440

約数和(自身を除く): 142681040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 32, 40, 44, 50, 55, 58, 80, 88, 100, 110, 116, 145, 160, 176, 200, 220, 232, 275, 290, 317, 319, 352, 400, 440, 464, 550, 580, 634, 638, 725, 800, 880, 928, 1100, 1160, 1268, 1276, 1450, 1585, 1595, 1760, 2200, 2320, 2536, 2552, 2900, 3170, 3190, 3487, 4400, 4640, 5072, 5104, 5800, 6340, 6380, 6974, 7925, 7975, 8800, 9193, 10144, 10208, 11600, 12680, 12760, 13948, 15850, 15950, 17435, 18386, 23200, 25360, 25520, 27896, 31700, 31900, 34870, 36772, 45965, 50720, 51040, 55792, 63400, 63800, 69740, 73544, 87175, 91930, 101123, 111584, 126800, 127600, 139480, 147088, 174350, 183860, 202246, 229825, 253600, 255200, 278960, 294176, 348700, 367720, 404492, 459650, 505615, 557920, 697400, 735440, 808984, 919300, 1011230, 1394800, 1470880, 1617968, 1838600, 2022460, 2528075, 2789600, 3235936, 3677200, 4044920, 5056150, 7354400, 8089840, 10112300, 16179680, 20224600, 40449200, 80898400]

約数ペア:

[(1, 80898400), (2, 40449200), (4, 20224600), (5, 16179680), (8, 10112300), (10, 8089840), (11, 7354400), (16, 5056150), (20, 4044920), (22, 3677200), (25, 3235936), (29, 2789600), (32, 2528075), (40, 2022460), (44, 1838600), (50, 1617968), (55, 1470880), (58, 1394800), (80, 1011230), (88, 919300), (100, 808984), (110, 735440), (116, 697400), (145, 557920), (160, 505615), (176, 459650), (200, 404492), (220, 367720), (232, 348700), (275, 294176), (290, 278960), (317, 255200), (319, 253600), (352, 229825), (400, 202246), (440, 183860), (464, 174350), (550, 147088), (580, 139480), (634, 127600), (638, 126800), (725, 111584), (800, 101123), (880, 91930), (928, 87175), (1100, 73544), (1160, 69740), (1268, 63800), (1276, 63400), (1450, 55792), (1585, 51040), (1595, 50720), (1760, 45965), (2200, 36772), (2320, 34870), (2536, 31900), (2552, 31700), (2900, 27896), (3170, 25520), (3190, 25360), (3487, 23200), (4400, 18386), (4640, 17435), (5072, 15950), (5104, 15850), (5800, 13948), (6340, 12760), (6380, 12680), (6974, 11600), (7925, 10208), (7975, 10144), (8800, 9193)]