11507440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{20549}}^1$

素因数の和:20569

約数の個数: 40

約数和(自身を含む): 30578400

約数和(自身を除く): 19070960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 20549, 41098, 82196, 102745, 143843, 164392, 205490, 287686, 328784, 410980, 575372, 719215, 821960, 1150744, 1438430, 1643920, 2301488, 2876860, 5753720, 11507440]

約数ペア:

[(1, 11507440), (2, 5753720), (4, 2876860), (5, 2301488), (7, 1643920), (8, 1438430), (10, 1150744), (14, 821960), (16, 719215), (20, 575372), (28, 410980), (35, 328784), (40, 287686), (56, 205490), (70, 164392), (80, 143843), (112, 102745), (140, 82196), (280, 41098), (560, 20549)]