38439220

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2341}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 80855208

約数和(自身を除く): 42415988

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 2341, 3284, 4105, 4682, 8210, 9364, 11705, 16420, 23410, 46820, 1921961, 3843922, 7687844, 9609805, 19219610, 38439220]

約数ペア:

[(1, 38439220), (2, 19219610), (4, 9609805), (5, 7687844), (10, 3843922), (20, 1921961), (821, 46820), (1642, 23410), (2341, 16420), (3284, 11705), (4105, 9364), (4682, 8210)]