38985220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4861}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 82090008

約数和(自身を除く): 43104788

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 4861, 8020, 9722, 19444, 24305, 48610, 97220, 1949261, 3898522, 7797044, 9746305, 19492610, 38985220]

約数ペア:

[(1, 38985220), (2, 19492610), (4, 9746305), (5, 7797044), (10, 3898522), (20, 1949261), (401, 97220), (802, 48610), (1604, 24305), (2005, 19444), (4010, 9722), (4861, 8020)]