16440880

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1361}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 38506464

約数和(自身を除く): 22065584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1361, 1510, 2416, 2722, 3020, 5444, 6040, 6805, 10888, 12080, 13610, 21776, 27220, 54440, 108880, 205511, 411022, 822044, 1027555, 1644088, 2055110, 3288176, 4110220, 8220440, 16440880]

約数ペア:

[(1, 16440880), (2, 8220440), (4, 4110220), (5, 3288176), (8, 2055110), (10, 1644088), (16, 1027555), (20, 822044), (40, 411022), (80, 205511), (151, 108880), (302, 54440), (604, 27220), (755, 21776), (1208, 13610), (1361, 12080), (1510, 10888), (2416, 6805), (2722, 6040), (3020, 5444)]