65937920

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:665

約数の個数: 80

約数和(自身を含む): 162043200

約数和(自身を除く): 96105280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 599, 640, 688, 860, 1198, 1280, 1376, 1720, 2396, 2560, 2752, 2995, 3440, 4792, 5504, 5990, 6880, 9584, 11008, 11980, 13760, 19168, 22016, 23960, 25757, 27520, 38336, 47920, 51514, 55040, 76672, 95840, 103028, 110080, 128785, 153344, 191680, 206056, 257570, 306688, 383360, 412112, 515140, 766720, 824224, 1030280, 1533440, 1648448, 2060560, 3296896, 4121120, 6593792, 8242240, 13187584, 16484480, 32968960, 65937920]

約数ペア:

[(1, 65937920), (2, 32968960), (4, 16484480), (5, 13187584), (8, 8242240), (10, 6593792), (16, 4121120), (20, 3296896), (32, 2060560), (40, 1648448), (43, 1533440), (64, 1030280), (80, 824224), (86, 766720), (128, 515140), (160, 412112), (172, 383360), (215, 306688), (256, 257570), (320, 206056), (344, 191680), (430, 153344), (512, 128785), (599, 110080), (640, 103028), (688, 95840), (860, 76672), (1198, 55040), (1280, 51514), (1376, 47920), (1720, 38336), (2396, 27520), (2560, 25757), (2752, 23960), (2995, 22016), (3440, 19168), (4792, 13760), (5504, 11980), (5990, 11008), (6880, 9584)]