207729520

素因数分解:

$2^4\times 5^1\times {\mathrm{2596619}}^1$

素因数の和:2596632

約数の個数: 20

約数和(自身を含む): 482971320

約数和(自身を除く): 275241800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2596619, 5193238, 10386476, 12983095, 20772952, 25966190, 41545904, 51932380, 103864760, 207729520]

約数ペア:

[(1, 207729520), (2, 103864760), (4, 51932380), (5, 41545904), (8, 25966190), (10, 20772952), (16, 12983095), (20, 10386476), (40, 5193238), (80, 2596619)]