12432800

素因数分解:

$2^5\times 5^2\times {\mathrm{15541}}^1$

素因数の和:15561

約数の個数: 36

約数和(自身を含む): 30353526

約数和(自身を除く): 17920726

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 15541, 31082, 62164, 77705, 124328, 155410, 248656, 310820, 388525, 497312, 621640, 777050, 1243280, 1554100, 2486560, 3108200, 6216400, 12432800]

約数ペア:

[(1, 12432800), (2, 6216400), (4, 3108200), (5, 2486560), (8, 1554100), (10, 1243280), (16, 777050), (20, 621640), (25, 497312), (32, 388525), (40, 310820), (50, 248656), (80, 155410), (100, 124328), (160, 77705), (200, 62164), (400, 31082), (800, 15541)]