20160219160

素因数分解:

$2^3\times 5^1\times {\mathrm{504005479}}^1$

素因数の和:504005490

約数の個数: 16

約数和(自身を含む): 45360493200

約数和(自身を除く): 25200274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504005479, 1008010958, 2016021916, 2520027395, 4032043832, 5040054790, 10080109580, 20160219160]

約数ペア:

[(1, 20160219160), (2, 10080109580), (4, 5040054790), (5, 4032043832), (8, 2520027395), (10, 2016021916), (20, 1008010958), (40, 504005479)]