16748920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 22649480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 151, 188, 235, 236, 295, 302, 376, 470, 472, 590, 604, 755, 940, 1180, 1208, 1510, 1880, 2360, 2773, 3020, 5546, 6040, 7097, 8909, 11092, 13865, 14194, 17818, 22184, 27730, 28388, 35485, 35636, 44545, 55460, 56776, 70970, 71272, 89090, 110920, 141940, 178180, 283880, 356360, 418723, 837446, 1674892, 2093615, 3349784, 4187230, 8374460, 16748920]

約数ペア:

[(1, 16748920), (2, 8374460), (4, 4187230), (5, 3349784), (8, 2093615), (10, 1674892), (20, 837446), (40, 418723), (47, 356360), (59, 283880), (94, 178180), (118, 141940), (151, 110920), (188, 89090), (235, 71272), (236, 70970), (295, 56776), (302, 55460), (376, 44545), (470, 35636), (472, 35485), (590, 28388), (604, 27730), (755, 22184), (940, 17818), (1180, 14194), (1208, 13865), (1510, 11092), (1880, 8909), (2360, 7097), (2773, 6040), (3020, 5546)]