28787200

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:214

約数の個数: 120

約数和(自身を含む): 77252868

約数和(自身を除く): 48465668

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 173, 200, 208, 256, 260, 320, 325, 346, 400, 416, 512, 520, 640, 650, 692, 800, 832, 865, 1040, 1280, 1300, 1384, 1600, 1664, 1730, 2080, 2249, 2560, 2600, 2768, 3200, 3328, 3460, 4160, 4325, 4498, 5200, 5536, 6400, 6656, 6920, 8320, 8650, 8996, 10400, 11072, 11245, 12800, 13840, 16640, 17300, 17992, 20800, 22144, 22490, 27680, 33280, 34600, 35984, 41600, 44288, 44980, 55360, 56225, 69200, 71968, 83200, 88576, 89960, 110720, 112450, 138400, 143936, 166400, 179920, 221440, 224900, 276800, 287872, 359840, 442880, 449800, 553600, 575744, 719680, 899600, 1107200, 1151488, 1439360, 1799200, 2214400, 2878720, 3598400, 5757440, 7196800, 14393600, 28787200]

約数ペア:

[(1, 28787200), (2, 14393600), (4, 7196800), (5, 5757440), (8, 3598400), (10, 2878720), (13, 2214400), (16, 1799200), (20, 1439360), (25, 1151488), (26, 1107200), (32, 899600), (40, 719680), (50, 575744), (52, 553600), (64, 449800), (65, 442880), (80, 359840), (100, 287872), (104, 276800), (128, 224900), (130, 221440), (160, 179920), (173, 166400), (200, 143936), (208, 138400), (256, 112450), (260, 110720), (320, 89960), (325, 88576), (346, 83200), (400, 71968), (416, 69200), (512, 56225), (520, 55360), (640, 44980), (650, 44288), (692, 41600), (800, 35984), (832, 34600), (865, 33280), (1040, 27680), (1280, 22490), (1300, 22144), (1384, 20800), (1600, 17992), (1664, 17300), (1730, 16640), (2080, 13840), (2249, 12800), (2560, 11245), (2600, 11072), (2768, 10400), (3200, 8996), (3328, 8650), (3460, 8320), (4160, 6920), (4325, 6656), (4498, 6400), (5200, 5536)]