157440440

素因数分解:

$2^3\times 5^1\times {\mathrm{3936011}}^1$

素因数の和:3936022

約数の個数: 16

約数和(自身を含む): 354241080

約数和(自身を除く): 196800640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3936011, 7872022, 15744044, 19680055, 31488088, 39360110, 78720220, 157440440]

約数ペア:

[(1, 157440440), (2, 78720220), (4, 39360110), (5, 31488088), (8, 19680055), (10, 15744044), (20, 7872022), (40, 3936011)]