51845840

素因数分解:

$2^4\times 5^1\times {\mathrm{648073}}^1$

素因数の和:648086

約数の個数: 20

約数和(自身を含む): 120541764

約数和(自身を除く): 68695924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648073, 1296146, 2592292, 3240365, 5184584, 6480730, 10369168, 12961460, 25922920, 51845840]

約数ペア:

[(1, 51845840), (2, 25922920), (4, 12961460), (5, 10369168), (8, 6480730), (10, 5184584), (16, 3240365), (20, 2592292), (40, 1296146), (80, 648073)]