13332440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 33104160

約数和(自身を除く): 19771720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 193, 220, 314, 386, 440, 628, 772, 785, 965, 1256, 1544, 1570, 1727, 1930, 2123, 3140, 3454, 3860, 4246, 6280, 6908, 7720, 8492, 8635, 10615, 13816, 16984, 17270, 21230, 30301, 34540, 42460, 60602, 69080, 84920, 121204, 151505, 242408, 303010, 333311, 606020, 666622, 1212040, 1333244, 1666555, 2666488, 3333110, 6666220, 13332440]

約数ペア:

[(1, 13332440), (2, 6666220), (4, 3333110), (5, 2666488), (8, 1666555), (10, 1333244), (11, 1212040), (20, 666622), (22, 606020), (40, 333311), (44, 303010), (55, 242408), (88, 151505), (110, 121204), (157, 84920), (193, 69080), (220, 60602), (314, 42460), (386, 34540), (440, 30301), (628, 21230), (772, 17270), (785, 16984), (965, 13816), (1256, 10615), (1544, 8635), (1570, 8492), (1727, 7720), (1930, 6908), (2123, 6280), (3140, 4246), (3454, 3860)]