55977440

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3931}}^1$

素因数の和:4035

約数の個数: 48

約数和(自身を含む): 133766640

約数和(自身を除く): 77789200

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, 3931, 7120, 7862, 14240, 15724, 19655, 31448, 39310, 62896, 78620, 125792, 157240, 314480, 349859, 628960, 699718, 1399436, 1749295, 2798872, 3498590, 5597744, 6997180, 11195488, 13994360, 27988720, 55977440]

約数ペア:

[(1, 55977440), (2, 27988720), (4, 13994360), (5, 11195488), (8, 6997180), (10, 5597744), (16, 3498590), (20, 2798872), (32, 1749295), (40, 1399436), (80, 699718), (89, 628960), (160, 349859), (178, 314480), (356, 157240), (445, 125792), (712, 78620), (890, 62896), (1424, 39310), (1780, 31448), (2848, 19655), (3560, 15724), (3931, 14240), (7120, 7862)]