19961200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7129}}^1$

素因数の和:7154

約数の個数: 60

約数和(自身を含む): 54815440

約数和(自身を除く): 34854240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7129, 14258, 28516, 35645, 49903, 57032, 71290, 99806, 114064, 142580, 178225, 199612, 249515, 285160, 356450, 399224, 499030, 570320, 712900, 798448, 998060, 1247575, 1425800, 1996120, 2495150, 2851600, 3992240, 4990300, 9980600, 19961200]

約数ペア:

[(1, 19961200), (2, 9980600), (4, 4990300), (5, 3992240), (7, 2851600), (8, 2495150), (10, 1996120), (14, 1425800), (16, 1247575), (20, 998060), (25, 798448), (28, 712900), (35, 570320), (40, 499030), (50, 399224), (56, 356450), (70, 285160), (80, 249515), (100, 199612), (112, 178225), (140, 142580), (175, 114064), (200, 99806), (280, 71290), (350, 57032), (400, 49903), (560, 35645), (700, 28516), (1400, 14258), (2800, 7129)]