788896040

素因数分解:

$2^3\times 5^1\times {\mathrm{19722401}}^1$

素因数の和:19722412

約数の個数: 16

約数和(自身を含む): 1775016180

約数和(自身を除く): 986120140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19722401, 39444802, 78889604, 98612005, 157779208, 197224010, 394448020, 788896040]

約数ペア:

[(1, 788896040), (2, 394448020), (4, 197224010), (5, 157779208), (8, 98612005), (10, 78889604), (20, 39444802), (40, 19722401)]