16606720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:535

約数の個数: 80

約数和(自身を含む): 42966000

約数和(自身を除く): 26359280

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, 1040, 1280, 1664, 1996, 2080, 2495, 2560, 3328, 3992, 4160, 4990, 6487, 6656, 7984, 8320, 9980, 12974, 15968, 16640, 19960, 25948, 31936, 32435, 33280, 39920, 51896, 63872, 64870, 79840, 103792, 127744, 129740, 159680, 207584, 255488, 259480, 319360, 415168, 518960, 638720, 830336, 1037920, 1277440, 1660672, 2075840, 3321344, 4151680, 8303360, 16606720]

約数ペア:

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