6628780

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{769}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 13970880

約数和(自身を除く): 7342100

約数列:

[1, 2, 4, 5, 10, 20, 431, 769, 862, 1538, 1724, 2155, 3076, 3845, 4310, 7690, 8620, 15380, 331439, 662878, 1325756, 1657195, 3314390, 6628780]

約数ペア:

[(1, 6628780), (2, 3314390), (4, 1657195), (5, 1325756), (10, 662878), (20, 331439), (431, 15380), (769, 8620), (862, 7690), (1538, 4310), (1724, 3845), (2155, 3076)]