12543860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89599}}^1$

素因数の和:89615

約数の個数: 24

約数和(自身を含む): 30105600

約数和(自身を除く): 17561740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89599, 179198, 358396, 447995, 627193, 895990, 1254386, 1791980, 2508772, 3135965, 6271930, 12543860]

約数ペア:

[(1, 12543860), (2, 6271930), (4, 3135965), (5, 2508772), (7, 1791980), (10, 1254386), (14, 895990), (20, 627193), (28, 447995), (35, 358396), (70, 179198), (140, 89599)]