66426880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 171990000

約数和(自身を除く): 105563120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 499, 512, 520, 640, 832, 998, 1024, 1040, 1280, 1664, 1996, 2048, 2080, 2495, 2560, 3328, 3992, 4160, 4990, 5120, 6487, 6656, 7984, 8320, 9980, 10240, 12974, 13312, 15968, 16640, 19960, 25948, 26624, 31936, 32435, 33280, 39920, 51896, 63872, 64870, 66560, 79840, 103792, 127744, 129740, 133120, 159680, 207584, 255488, 259480, 319360, 415168, 510976, 518960, 638720, 830336, 1021952, 1037920, 1277440, 1660672, 2075840, 2554880, 3321344, 4151680, 5109760, 6642688, 8303360, 13285376, 16606720, 33213440, 66426880]

約数ペア:

[(1, 66426880), (2, 33213440), (4, 16606720), (5, 13285376), (8, 8303360), (10, 6642688), (13, 5109760), (16, 4151680), (20, 3321344), (26, 2554880), (32, 2075840), (40, 1660672), (52, 1277440), (64, 1037920), (65, 1021952), (80, 830336), (104, 638720), (128, 518960), (130, 510976), (160, 415168), (208, 319360), (256, 259480), (260, 255488), (320, 207584), (416, 159680), (499, 133120), (512, 129740), (520, 127744), (640, 103792), (832, 79840), (998, 66560), (1024, 64870), (1040, 63872), (1280, 51896), (1664, 39920), (1996, 33280), (2048, 32435), (2080, 31936), (2495, 26624), (2560, 25948), (3328, 19960), (3992, 16640), (4160, 15968), (4990, 13312), (5120, 12974), (6487, 10240), (6656, 9980), (7984, 8320)]