56519440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2749}}^1$

素因数の和:3019

約数の個数: 40

約数和(自身を含む): 131967000

約数和(自身を除く): 75447560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 2749, 4112, 5140, 5498, 10280, 10996, 13745, 20560, 21992, 27490, 43984, 54980, 109960, 219920, 706493, 1412986, 2825972, 3532465, 5651944, 7064930, 11303888, 14129860, 28259720, 56519440]

約数ペア:

[(1, 56519440), (2, 28259720), (4, 14129860), (5, 11303888), (8, 7064930), (10, 5651944), (16, 3532465), (20, 2825972), (40, 1412986), (80, 706493), (257, 219920), (514, 109960), (1028, 54980), (1285, 43984), (2056, 27490), (2570, 21992), (2749, 20560), (4112, 13745), (5140, 10996), (5498, 10280)]