25731440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45949}}^1$

素因数の和:45969

約数の個数: 40

約数和(自身を含む): 68373600

約数和(自身を除く): 42642160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45949, 91898, 183796, 229745, 321643, 367592, 459490, 643286, 735184, 918980, 1286572, 1608215, 1837960, 2573144, 3216430, 3675920, 5146288, 6432860, 12865720, 25731440]

約数ペア:

[(1, 25731440), (2, 12865720), (4, 6432860), (5, 5146288), (7, 3675920), (8, 3216430), (10, 2573144), (14, 1837960), (16, 1608215), (20, 1286572), (28, 918980), (35, 735184), (40, 643286), (56, 459490), (70, 367592), (80, 321643), (112, 229745), (140, 183796), (280, 91898), (560, 45949)]