23939720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 62017920

約数和(自身を除く): 38078200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 443, 772, 886, 965, 1351, 1544, 1772, 1930, 2215, 2702, 3101, 3544, 3860, 4430, 5404, 6202, 6755, 7720, 8860, 10808, 12404, 13510, 15505, 17720, 24808, 27020, 31010, 54040, 62020, 85499, 124040, 170998, 341996, 427495, 598493, 683992, 854990, 1196986, 1709980, 2393972, 2992465, 3419960, 4787944, 5984930, 11969860, 23939720]

約数ペア:

[(1, 23939720), (2, 11969860), (4, 5984930), (5, 4787944), (7, 3419960), (8, 2992465), (10, 2393972), (14, 1709980), (20, 1196986), (28, 854990), (35, 683992), (40, 598493), (56, 427495), (70, 341996), (140, 170998), (193, 124040), (280, 85499), (386, 62020), (443, 54040), (772, 31010), (886, 27020), (965, 24808), (1351, 17720), (1544, 15505), (1772, 13510), (1930, 12404), (2215, 10808), (2702, 8860), (3101, 7720), (3544, 6755), (3860, 6202), (4430, 5404)]