139637440

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4903}}^1$

素因数の和:5009

約数の個数: 56

約数和(自身を含む): 336316320

約数和(自身を除く): 196678880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 4903, 5696, 7120, 9806, 14240, 19612, 24515, 28480, 39224, 49030, 78448, 98060, 156896, 196120, 313792, 392240, 436367, 784480, 872734, 1568960, 1745468, 2181835, 3490936, 4363670, 6981872, 8727340, 13963744, 17454680, 27927488, 34909360, 69818720, 139637440]

約数ペア:

[(1, 139637440), (2, 69818720), (4, 34909360), (5, 27927488), (8, 17454680), (10, 13963744), (16, 8727340), (20, 6981872), (32, 4363670), (40, 3490936), (64, 2181835), (80, 1745468), (89, 1568960), (160, 872734), (178, 784480), (320, 436367), (356, 392240), (445, 313792), (712, 196120), (890, 156896), (1424, 98060), (1780, 78448), (2848, 49030), (3560, 39224), (4903, 28480), (5696, 24515), (7120, 19612), (9806, 14240)]