22400

素因数分解:

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

素因数の和:31

約数の個数: 48

約数和(自身を含む): 63240

約数和(自身を除く): 40840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 1120, 1400, 1600, 2240, 2800, 3200, 4480, 5600, 11200, 22400]

約数ペア:

[(1, 22400), (2, 11200), (4, 5600), (5, 4480), (7, 3200), (8, 2800), (10, 2240), (14, 1600), (16, 1400), (20, 1120), (25, 896), (28, 800), (32, 700), (35, 640), (40, 560), (50, 448), (56, 400), (64, 350), (70, 320), (80, 280), (100, 224), (112, 200), (128, 175), (140, 160)]