72103600

素因数分解:

$2^4\times 5^2\times {\mathrm{180259}}^1$

素因数の和:180277

約数の個数: 30

約数和(自身を含む): 173229860

約数和(自身を除く): 101126260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 180259, 360518, 721036, 901295, 1442072, 1802590, 2884144, 3605180, 4506475, 7210360, 9012950, 14420720, 18025900, 36051800, 72103600]

約数ペア:

[(1, 72103600), (2, 36051800), (4, 18025900), (5, 14420720), (8, 9012950), (10, 7210360), (16, 4506475), (20, 3605180), (25, 2884144), (40, 1802590), (50, 1442072), (80, 901295), (100, 721036), (200, 360518), (400, 180259)]