66979520

素因数分解:

$2^6\times 5^1\times {\mathrm{209311}}^1$

素因数の和:209328

約数の個数: 28

約数和(自身を含む): 159495744

約数和(自身を除く): 92516224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 209311, 418622, 837244, 1046555, 1674488, 2093110, 3348976, 4186220, 6697952, 8372440, 13395904, 16744880, 33489760, 66979520]

約数ペア:

[(1, 66979520), (2, 33489760), (4, 16744880), (5, 13395904), (8, 8372440), (10, 6697952), (16, 4186220), (20, 3348976), (32, 2093110), (40, 1674488), (64, 1046555), (80, 837244), (160, 418622), (320, 209311)]