1680202780

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{268403}}^1$

素因数の和:268725

約数の個数: 24

約数和(自身を含む): 3539711952

約数和(自身を除く): 1859509172

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 268403, 536806, 1073612, 1342015, 2684030, 5368060, 84010139, 168020278, 336040556, 420050695, 840101390, 1680202780]

約数ペア:

[(1, 1680202780), (2, 840101390), (4, 420050695), (5, 336040556), (10, 168020278), (20, 84010139), (313, 5368060), (626, 2684030), (1252, 1342015), (1565, 1073612), (3130, 536806), (6260, 268403)]