8740240

素因数分解:

$2^4\times 5^1\times {\mathrm{109253}}^1$

素因数の和:109266

約数の個数: 20

約数和(自身を含む): 20321244

約数和(自身を除く): 11581004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109253, 218506, 437012, 546265, 874024, 1092530, 1748048, 2185060, 4370120, 8740240]

約数ペア:

[(1, 8740240), (2, 4370120), (4, 2185060), (5, 1748048), (8, 1092530), (10, 874024), (16, 546265), (20, 437012), (40, 218506), (80, 109253)]