1038080

素因数分解:

$2^8\times 5^1\times {\mathrm{811}}^1$

素因数の和:832

約数の個数: 36

約数和(自身を含む): 2489592

約数和(自身を除く): 1451512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 811, 1280, 1622, 3244, 4055, 6488, 8110, 12976, 16220, 25952, 32440, 51904, 64880, 103808, 129760, 207616, 259520, 519040, 1038080]

約数ペア:

[(1, 1038080), (2, 519040), (4, 259520), (5, 207616), (8, 129760), (10, 103808), (16, 64880), (20, 51904), (32, 32440), (40, 25952), (64, 16220), (80, 12976), (128, 8110), (160, 6488), (256, 4055), (320, 3244), (640, 1622), (811, 1280)]