85419520

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:631

約数の個数: 80

約数和(自身を含む): 208544688

約数和(自身を除く): 123125168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 547, 610, 640, 976, 1094, 1220, 1280, 1952, 2188, 2440, 2560, 2735, 3904, 4376, 4880, 5470, 7808, 8752, 9760, 10940, 15616, 17504, 19520, 21880, 31232, 33367, 35008, 39040, 43760, 66734, 70016, 78080, 87520, 133468, 140032, 156160, 166835, 175040, 266936, 280064, 333670, 350080, 533872, 667340, 700160, 1067744, 1334680, 1400320, 2135488, 2669360, 4270976, 5338720, 8541952, 10677440, 17083904, 21354880, 42709760, 85419520]

約数ペア:

[(1, 85419520), (2, 42709760), (4, 21354880), (5, 17083904), (8, 10677440), (10, 8541952), (16, 5338720), (20, 4270976), (32, 2669360), (40, 2135488), (61, 1400320), (64, 1334680), (80, 1067744), (122, 700160), (128, 667340), (160, 533872), (244, 350080), (256, 333670), (305, 280064), (320, 266936), (488, 175040), (512, 166835), (547, 156160), (610, 140032), (640, 133468), (976, 87520), (1094, 78080), (1220, 70016), (1280, 66734), (1952, 43760), (2188, 39040), (2440, 35008), (2560, 33367), (2735, 31232), (3904, 21880), (4376, 19520), (4880, 17504), (5470, 15616), (7808, 10940), (8752, 9760)]