85487680

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{859}}^1$

素因数の和:1187

約数の個数: 56

約数和(自身を含む): 204459840

約数和(自身を除く): 118972160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 859, 1244, 1555, 1718, 2488, 3110, 3436, 4295, 4976, 6220, 6872, 8590, 9952, 12440, 13744, 17180, 19904, 24880, 27488, 34360, 49760, 54976, 68720, 99520, 137440, 267149, 274880, 534298, 1068596, 1335745, 2137192, 2671490, 4274384, 5342980, 8548768, 10685960, 17097536, 21371920, 42743840, 85487680]

約数ペア:

[(1, 85487680), (2, 42743840), (4, 21371920), (5, 17097536), (8, 10685960), (10, 8548768), (16, 5342980), (20, 4274384), (32, 2671490), (40, 2137192), (64, 1335745), (80, 1068596), (160, 534298), (311, 274880), (320, 267149), (622, 137440), (859, 99520), (1244, 68720), (1555, 54976), (1718, 49760), (2488, 34360), (3110, 27488), (3436, 24880), (4295, 19904), (4976, 17180), (6220, 13744), (6872, 12440), (8590, 9952)]