11171440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19949}}^1$

素因数の和:19969

約数の個数: 40

約数和(自身を含む): 29685600

約数和(自身を除く): 18514160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 19949, 39898, 79796, 99745, 139643, 159592, 199490, 279286, 319184, 398980, 558572, 698215, 797960, 1117144, 1396430, 1595920, 2234288, 2792860, 5585720, 11171440]

約数ペア:

[(1, 11171440), (2, 5585720), (4, 2792860), (5, 2234288), (7, 1595920), (8, 1396430), (10, 1117144), (14, 797960), (16, 698215), (20, 558572), (28, 398980), (35, 319184), (40, 279286), (56, 199490), (70, 159592), (80, 139643), (112, 99745), (140, 79796), (280, 39898), (560, 19949)]