4391320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 9940320

約数和(自身を除く): 5549000

約数列:

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

約数ペア:

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