8782640

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 20543328

約数和(自身を除く): 11760688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 353, 622, 706, 1244, 1412, 1555, 1765, 2488, 2824, 3110, 3530, 4976, 5648, 6220, 7060, 12440, 14120, 24880, 28240, 109783, 219566, 439132, 548915, 878264, 1097830, 1756528, 2195660, 4391320, 8782640]

約数ペア:

[(1, 8782640), (2, 4391320), (4, 2195660), (5, 1756528), (8, 1097830), (10, 878264), (16, 548915), (20, 439132), (40, 219566), (80, 109783), (311, 28240), (353, 24880), (622, 14120), (706, 12440), (1244, 7060), (1412, 6220), (1555, 5648), (1765, 4976), (2488, 3530), (2824, 3110)]