64084340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{168643}}^1$

素因数の和:168671

約数の個数: 24

約数和(自身を含む): 141660960

約数和(自身を除く): 77576620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 168643, 337286, 674572, 843215, 1686430, 3204217, 3372860, 6408434, 12816868, 16021085, 32042170, 64084340]

約数ペア:

[(1, 64084340), (2, 32042170), (4, 16021085), (5, 12816868), (10, 6408434), (19, 3372860), (20, 3204217), (38, 1686430), (76, 843215), (95, 674572), (190, 337286), (380, 168643)]