40879360

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 99154440

約数和(自身を除く): 58275080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 293, 320, 436, 545, 586, 640, 872, 1090, 1172, 1280, 1465, 1744, 2180, 2344, 2930, 3488, 4360, 4688, 5860, 6976, 8720, 9376, 11720, 13952, 17440, 18752, 23440, 27904, 31937, 34880, 37504, 46880, 63874, 69760, 75008, 93760, 127748, 139520, 159685, 187520, 255496, 319370, 375040, 510992, 638740, 1021984, 1277480, 2043968, 2554960, 4087936, 5109920, 8175872, 10219840, 20439680, 40879360]

約数ペア:

[(1, 40879360), (2, 20439680), (4, 10219840), (5, 8175872), (8, 5109920), (10, 4087936), (16, 2554960), (20, 2043968), (32, 1277480), (40, 1021984), (64, 638740), (80, 510992), (109, 375040), (128, 319370), (160, 255496), (218, 187520), (256, 159685), (293, 139520), (320, 127748), (436, 93760), (545, 75008), (586, 69760), (640, 63874), (872, 46880), (1090, 37504), (1172, 34880), (1280, 31937), (1465, 27904), (1744, 23440), (2180, 18752), (2344, 17440), (2930, 13952), (3488, 11720), (4360, 9376), (4688, 8720), (5860, 6976)]