26805520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 71923968

約数和(自身を除く): 45118448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 317, 560, 604, 634, 755, 1057, 1208, 1268, 1510, 1585, 2114, 2219, 2416, 2536, 3020, 3170, 4228, 4438, 5072, 5285, 6040, 6340, 8456, 8876, 10570, 11095, 12080, 12680, 16912, 17752, 21140, 22190, 25360, 35504, 42280, 44380, 47867, 84560, 88760, 95734, 177520, 191468, 239335, 335069, 382936, 478670, 670138, 765872, 957340, 1340276, 1675345, 1914680, 2680552, 3350690, 3829360, 5361104, 6701380, 13402760, 26805520]

約数ペア:

[(1, 26805520), (2, 13402760), (4, 6701380), (5, 5361104), (7, 3829360), (8, 3350690), (10, 2680552), (14, 1914680), (16, 1675345), (20, 1340276), (28, 957340), (35, 765872), (40, 670138), (56, 478670), (70, 382936), (80, 335069), (112, 239335), (140, 191468), (151, 177520), (280, 95734), (302, 88760), (317, 84560), (560, 47867), (604, 44380), (634, 42280), (755, 35504), (1057, 25360), (1208, 22190), (1268, 21140), (1510, 17752), (1585, 16912), (2114, 12680), (2219, 12080), (2416, 11095), (2536, 10570), (3020, 8876), (3170, 8456), (4228, 6340), (4438, 6040), (5072, 5285)]