243380560

素因数分解:

$2^4\times 5^1\times {\mathrm{3042257}}^1$

素因数の和:3042270

約数の個数: 20

約数和(自身を含む): 565859988

約数和(自身を除く): 322479428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3042257, 6084514, 12169028, 15211285, 24338056, 30422570, 48676112, 60845140, 121690280, 243380560]

約数ペア:

[(1, 243380560), (2, 121690280), (4, 60845140), (5, 48676112), (8, 30422570), (10, 24338056), (16, 15211285), (20, 12169028), (40, 6084514), (80, 3042257)]