12719560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{45427}}^1$

素因数の和:45445

約数の個数: 32

約数和(自身を含む): 32708160

約数和(自身を除く): 19988600

約数列:

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

約数ペア:

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