51809020

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3967}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 108993024

約数和(自身を除く): 57184004

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 3967, 6530, 7934, 13060, 15868, 19835, 39670, 79340, 2590451, 5180902, 10361804, 12952255, 25904510, 51809020]

約数ペア:

[(1, 51809020), (2, 25904510), (4, 12952255), (5, 10361804), (10, 5180902), (20, 2590451), (653, 79340), (1306, 39670), (2612, 19835), (3265, 15868), (3967, 13060), (6530, 7934)]