54880

素因数分解:

$2^5\times 5^1\times 7^3$

素因数の和:36

約数の個数: 48

約数和(自身を含む): 151200

約数和(自身を除く): 96320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7840, 10976, 13720, 27440, 54880]

約数ペア:

[(1, 54880), (2, 27440), (4, 13720), (5, 10976), (7, 7840), (8, 6860), (10, 5488), (14, 3920), (16, 3430), (20, 2744), (28, 1960), (32, 1715), (35, 1568), (40, 1372), (49, 1120), (56, 980), (70, 784), (80, 686), (98, 560), (112, 490), (140, 392), (160, 343), (196, 280), (224, 245)]