11689120

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1699}}^1$

素因数の和:1757

約数の個数: 48

約数和(自身を含む): 28274400

約数和(自身を除く): 16585280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1699, 1720, 3398, 3440, 6796, 6880, 8495, 13592, 16990, 27184, 33980, 54368, 67960, 73057, 135920, 146114, 271840, 292228, 365285, 584456, 730570, 1168912, 1461140, 2337824, 2922280, 5844560, 11689120]

約数ペア:

[(1, 11689120), (2, 5844560), (4, 2922280), (5, 2337824), (8, 1461140), (10, 1168912), (16, 730570), (20, 584456), (32, 365285), (40, 292228), (43, 271840), (80, 146114), (86, 135920), (160, 73057), (172, 67960), (215, 54368), (344, 33980), (430, 27184), (688, 16990), (860, 13592), (1376, 8495), (1699, 6880), (1720, 6796), (3398, 3440)]