66629780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475927}}^1$

素因数の和:475943

約数の個数: 24

約数和(自身を含む): 159911808

約数和(自身を除く): 93282028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475927, 951854, 1903708, 2379635, 3331489, 4759270, 6662978, 9518540, 13325956, 16657445, 33314890, 66629780]

約数ペア:

[(1, 66629780), (2, 33314890), (4, 16657445), (5, 13325956), (7, 9518540), (10, 6662978), (14, 4759270), (20, 3331489), (28, 2379635), (35, 1903708), (70, 951854), (140, 475927)]