25439120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45427}}^1$

素因数の和:45447

約数の個数: 40

約数和(自身を含む): 67596864

約数和(自身を除く): 42157744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45427, 90854, 181708, 227135, 317989, 363416, 454270, 635978, 726832, 908540, 1271956, 1589945, 1817080, 2543912, 3179890, 3634160, 5087824, 6359780, 12719560, 25439120]

約数ペア:

[(1, 25439120), (2, 12719560), (4, 6359780), (5, 5087824), (7, 3634160), (8, 3179890), (10, 2543912), (14, 1817080), (16, 1589945), (20, 1271956), (28, 908540), (35, 726832), (40, 635978), (56, 454270), (70, 363416), (80, 317989), (112, 227135), (140, 181708), (280, 90854), (560, 45427)]