79153840

素因数分解:

$2^4\times 5^1\times {\mathrm{989423}}^1$

素因数の和:989436

約数の個数: 20

約数和(自身を含む): 184032864

約数和(自身を除く): 104879024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 989423, 1978846, 3957692, 4947115, 7915384, 9894230, 15830768, 19788460, 39576920, 79153840]

約数ペア:

[(1, 79153840), (2, 39576920), (4, 19788460), (5, 15830768), (8, 9894230), (10, 7915384), (16, 4947115), (20, 3957692), (40, 1978846), (80, 989423)]