49886720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1535

約数の個数: 80

約数和(自身を含む): 128898000

約数和(自身を除く): 79011280

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, 512, 520, 640, 832, 1040, 1280, 1499, 1664, 2080, 2560, 2998, 3328, 4160, 5996, 6656, 7495, 8320, 11992, 14990, 16640, 19487, 23984, 29980, 33280, 38974, 47968, 59960, 77948, 95936, 97435, 119920, 155896, 191872, 194870, 239840, 311792, 383744, 389740, 479680, 623584, 767488, 779480, 959360, 1247168, 1558960, 1918720, 2494336, 3117920, 3837440, 4988672, 6235840, 9977344, 12471680, 24943360, 49886720]

約数ペア:

[(1, 49886720), (2, 24943360), (4, 12471680), (5, 9977344), (8, 6235840), (10, 4988672), (13, 3837440), (16, 3117920), (20, 2494336), (26, 1918720), (32, 1558960), (40, 1247168), (52, 959360), (64, 779480), (65, 767488), (80, 623584), (104, 479680), (128, 389740), (130, 383744), (160, 311792), (208, 239840), (256, 194870), (260, 191872), (320, 155896), (416, 119920), (512, 97435), (520, 95936), (640, 77948), (832, 59960), (1040, 47968), (1280, 38974), (1499, 33280), (1664, 29980), (2080, 23984), (2560, 19487), (2998, 16640), (3328, 14990), (4160, 11992), (5996, 8320), (6656, 7495)]