71911520

素因数分解:

$2^5\times 5^1\times {\mathrm{509}}^1\times {\mathrm{883}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 170417520

約数和(自身を除く): 98506000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 509, 883, 1018, 1766, 2036, 2545, 3532, 4072, 4415, 5090, 7064, 8144, 8830, 10180, 14128, 16288, 17660, 20360, 28256, 35320, 40720, 70640, 81440, 141280, 449447, 898894, 1797788, 2247235, 3595576, 4494470, 7191152, 8988940, 14382304, 17977880, 35955760, 71911520]

約数ペア:

[(1, 71911520), (2, 35955760), (4, 17977880), (5, 14382304), (8, 8988940), (10, 7191152), (16, 4494470), (20, 3595576), (32, 2247235), (40, 1797788), (80, 898894), (160, 449447), (509, 141280), (883, 81440), (1018, 70640), (1766, 40720), (2036, 35320), (2545, 28256), (3532, 20360), (4072, 17660), (4415, 16288), (5090, 14128), (7064, 10180), (8144, 8830)]