13216640

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 32056560

約数和(自身を除く): 18839920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 193, 214, 320, 386, 428, 535, 640, 772, 856, 965, 1070, 1544, 1712, 1930, 2140, 3088, 3424, 3860, 4280, 6176, 6848, 7720, 8560, 12352, 13696, 15440, 17120, 20651, 24704, 30880, 34240, 41302, 61760, 68480, 82604, 103255, 123520, 165208, 206510, 330416, 413020, 660832, 826040, 1321664, 1652080, 2643328, 3304160, 6608320, 13216640]

約数ペア:

[(1, 13216640), (2, 6608320), (4, 3304160), (5, 2643328), (8, 1652080), (10, 1321664), (16, 826040), (20, 660832), (32, 413020), (40, 330416), (64, 206510), (80, 165208), (107, 123520), (128, 103255), (160, 82604), (193, 68480), (214, 61760), (320, 41302), (386, 34240), (428, 30880), (535, 24704), (640, 20651), (772, 17120), (856, 15440), (965, 13696), (1070, 12352), (1544, 8560), (1712, 7720), (1930, 6848), (2140, 6176), (3088, 4280), (3424, 3860)]