85432780

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{28289}}^1$

素因数の和:28449

約数の個数: 24

約数和(自身を含む): 180603360

約数和(自身を除く): 95170580

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 28289, 56578, 113156, 141445, 282890, 565780, 4271639, 8543278, 17086556, 21358195, 42716390, 85432780]

約数ペア:

[(1, 85432780), (2, 42716390), (4, 21358195), (5, 17086556), (10, 8543278), (20, 4271639), (151, 565780), (302, 282890), (604, 141445), (755, 113156), (1510, 56578), (3020, 28289)]