28327460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202339}}^1$

素因数の和:202355

約数の個数: 24

約数和(自身を含む): 67986240

約数和(自身を除く): 39658780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202339, 404678, 809356, 1011695, 1416373, 2023390, 2832746, 4046780, 5665492, 7081865, 14163730, 28327460]

約数ペア:

[(1, 28327460), (2, 14163730), (4, 7081865), (5, 5665492), (7, 4046780), (10, 2832746), (14, 2023390), (20, 1416373), (28, 1011695), (35, 809356), (70, 404678), (140, 202339)]