81051350

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{5179}}^1$

素因数の和:5504

約数の個数: 24

約数和(自身を含む): 151266360

約数和(自身を除く): 70215010

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1565, 3130, 5179, 7825, 10358, 15650, 25895, 51790, 129475, 258950, 1621027, 3242054, 8105135, 16210270, 40525675, 81051350]

約数ペア:

[(1, 81051350), (2, 40525675), (5, 16210270), (10, 8105135), (25, 3242054), (50, 1621027), (313, 258950), (626, 129475), (1565, 51790), (3130, 25895), (5179, 15650), (7825, 10358)]