55009120

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3863}}^1$

素因数の和:3967

約数の個数: 48

約数和(自身を含む): 131453280

約数和(自身を除く): 76444160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 3863, 7120, 7726, 14240, 15452, 19315, 30904, 38630, 61808, 77260, 123616, 154520, 309040, 343807, 618080, 687614, 1375228, 1719035, 2750456, 3438070, 5500912, 6876140, 11001824, 13752280, 27504560, 55009120]

約数ペア:

[(1, 55009120), (2, 27504560), (4, 13752280), (5, 11001824), (8, 6876140), (10, 5500912), (16, 3438070), (20, 2750456), (32, 1719035), (40, 1375228), (80, 687614), (89, 618080), (160, 343807), (178, 309040), (356, 154520), (445, 123616), (712, 77260), (890, 61808), (1424, 38630), (1780, 30904), (2848, 19315), (3560, 15452), (3863, 14240), (7120, 7726)]