12784480

素因数分解:

$2^5\times 5^1\times {\mathrm{79903}}^1$

素因数の和:79918

約数の個数: 24

約数和(自身を含む): 30203712

約数和(自身を除く): 17419232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 79903, 159806, 319612, 399515, 639224, 799030, 1278448, 1598060, 2556896, 3196120, 6392240, 12784480]

約数ペア:

[(1, 12784480), (2, 6392240), (4, 3196120), (5, 2556896), (8, 1598060), (10, 1278448), (16, 799030), (20, 639224), (32, 399515), (40, 319612), (80, 159806), (160, 79903)]