1900385840

素因数分解:

$2^4\times 5^1\times {\mathrm{23754823}}^1$

素因数の和:23754836

約数の個数: 20

約数和(自身を含む): 4418397264

約数和(自身を除く): 2518011424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23754823, 47509646, 95019292, 118774115, 190038584, 237548230, 380077168, 475096460, 950192920, 1900385840]

約数ペア:

[(1, 1900385840), (2, 950192920), (4, 475096460), (5, 380077168), (8, 237548230), (10, 190038584), (16, 118774115), (20, 95019292), (40, 47509646), (80, 23754823)]