26658280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 67003200

約数和(自身を除く): 40344920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1409, 1720, 1892, 2365, 2818, 3784, 4730, 5636, 7045, 9460, 11272, 14090, 15499, 18920, 28180, 30998, 56360, 60587, 61996, 77495, 121174, 123992, 154990, 242348, 302935, 309980, 484696, 605870, 619960, 666457, 1211740, 1332914, 2423480, 2665828, 3332285, 5331656, 6664570, 13329140, 26658280]

約数ペア:

[(1, 26658280), (2, 13329140), (4, 6664570), (5, 5331656), (8, 3332285), (10, 2665828), (11, 2423480), (20, 1332914), (22, 1211740), (40, 666457), (43, 619960), (44, 605870), (55, 484696), (86, 309980), (88, 302935), (110, 242348), (172, 154990), (215, 123992), (220, 121174), (344, 77495), (430, 61996), (440, 60587), (473, 56360), (860, 30998), (946, 28180), (1409, 18920), (1720, 15499), (1892, 14090), (2365, 11272), (2818, 9460), (3784, 7045), (4730, 5636)]