11561840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3361}}^1$

素因数の和:3417

約数の個数: 40

約数和(自身を含む): 27514608

約数和(自身を除く): 15952768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3361, 3440, 6722, 13444, 16805, 26888, 33610, 53776, 67220, 134440, 144523, 268880, 289046, 578092, 722615, 1156184, 1445230, 2312368, 2890460, 5780920, 11561840]

約数ペア:

[(1, 11561840), (2, 5780920), (4, 2890460), (5, 2312368), (8, 1445230), (10, 1156184), (16, 722615), (20, 578092), (40, 289046), (43, 268880), (80, 144523), (86, 134440), (172, 67220), (215, 53776), (344, 33610), (430, 26888), (688, 16805), (860, 13444), (1720, 6722), (3361, 3440)]