56940880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3613}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 133096392

約数和(自身を除く): 76155512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3613, 3940, 7226, 7880, 14452, 15760, 18065, 28904, 36130, 57808, 72260, 144520, 289040, 711761, 1423522, 2847044, 3558805, 5694088, 7117610, 11388176, 14235220, 28470440, 56940880]

約数ペア:

[(1, 56940880), (2, 28470440), (4, 14235220), (5, 11388176), (8, 7117610), (10, 5694088), (16, 3558805), (20, 2847044), (40, 1423522), (80, 711761), (197, 289040), (394, 144520), (788, 72260), (985, 57808), (1576, 36130), (1970, 28904), (3152, 18065), (3613, 15760), (3940, 14452), (7226, 7880)]