4402720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{3931}}^1$

素因数の和:3953

約数の個数: 48

約数和(自身を含む): 11890368

約数和(自身を除く): 7487648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 3931, 7862, 15724, 19655, 27517, 31448, 39310, 55034, 62896, 78620, 110068, 125792, 137585, 157240, 220136, 275170, 314480, 440272, 550340, 628960, 880544, 1100680, 2201360, 4402720]

約数ペア:

[(1, 4402720), (2, 2201360), (4, 1100680), (5, 880544), (7, 628960), (8, 550340), (10, 440272), (14, 314480), (16, 275170), (20, 220136), (28, 157240), (32, 137585), (35, 125792), (40, 110068), (56, 78620), (70, 62896), (80, 55034), (112, 39310), (140, 31448), (160, 27517), (224, 19655), (280, 15724), (560, 7862), (1120, 3931)]