808796980

素因数分解:

$2^2\times 5^1\times {\mathrm{2281}}^1\times {\mathrm{17729}}^1$

素因数の和:20019

約数の個数: 24

約数和(自身を含む): 1699314120

約数和(自身を除く): 890517140

約数列:

[1, 2, 4, 5, 10, 20, 2281, 4562, 9124, 11405, 17729, 22810, 35458, 45620, 70916, 88645, 177290, 354580, 40439849, 80879698, 161759396, 202199245, 404398490, 808796980]

約数ペア:

[(1, 808796980), (2, 404398490), (4, 202199245), (5, 161759396), (10, 80879698), (20, 40439849), (2281, 354580), (4562, 177290), (9124, 88645), (11405, 70916), (17729, 45620), (22810, 35458)]