64221140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{169003}}^1$

素因数の和:169031

約数の個数: 24

約数和(自身を含む): 141963360

約数和(自身を除く): 77742220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 169003, 338006, 676012, 845015, 1690030, 3211057, 3380060, 6422114, 12844228, 16055285, 32110570, 64221140]

約数ペア:

[(1, 64221140), (2, 32110570), (4, 16055285), (5, 12844228), (10, 6422114), (19, 3380060), (20, 3211057), (38, 1690030), (76, 845015), (95, 676012), (190, 338006), (380, 169003)]