51438080

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 80

約数和(自身を含む): 125509824

約数和(自身を除く): 74071744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 283, 284, 320, 355, 512, 566, 568, 640, 710, 1132, 1136, 1280, 1415, 1420, 2264, 2272, 2560, 2830, 2840, 4528, 4544, 5660, 5680, 9056, 9088, 11320, 11360, 18112, 18176, 20093, 22640, 22720, 36224, 36352, 40186, 45280, 45440, 72448, 80372, 90560, 90880, 100465, 144896, 160744, 181120, 181760, 200930, 321488, 362240, 401860, 642976, 724480, 803720, 1285952, 1607440, 2571904, 3214880, 5143808, 6429760, 10287616, 12859520, 25719040, 51438080]

約数ペア:

[(1, 51438080), (2, 25719040), (4, 12859520), (5, 10287616), (8, 6429760), (10, 5143808), (16, 3214880), (20, 2571904), (32, 1607440), (40, 1285952), (64, 803720), (71, 724480), (80, 642976), (128, 401860), (142, 362240), (160, 321488), (256, 200930), (283, 181760), (284, 181120), (320, 160744), (355, 144896), (512, 100465), (566, 90880), (568, 90560), (640, 80372), (710, 72448), (1132, 45440), (1136, 45280), (1280, 40186), (1415, 36352), (1420, 36224), (2264, 22720), (2272, 22640), (2560, 20093), (2830, 18176), (2840, 18112), (4528, 11360), (4544, 11320), (5660, 9088), (5680, 9056)]