5200018640

素因数分解:

$2^4\times 5^1\times {\mathrm{65000233}}^1$

素因数の和:65000246

約数の個数: 20

約数和(自身を含む): 12090043524

約数和(自身を除く): 6890024884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65000233, 130000466, 260000932, 325001165, 520001864, 650002330, 1040003728, 1300004660, 2600009320, 5200018640]

約数ペア:

[(1, 5200018640), (2, 2600009320), (4, 1300004660), (5, 1040003728), (8, 650002330), (10, 520001864), (16, 325001165), (20, 260000932), (40, 130000466), (80, 65000233)]