127867280

素因数分解:

$2^4\times 5^1\times {\mathrm{1598341}}^1$

素因数の和:1598354

約数の個数: 20

約数和(自身を含む): 297291612

約数和(自身を除く): 169424332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1598341, 3196682, 6393364, 7991705, 12786728, 15983410, 25573456, 31966820, 63933640, 127867280]

約数ペア:

[(1, 127867280), (2, 63933640), (4, 31966820), (5, 25573456), (8, 15983410), (10, 12786728), (16, 7991705), (20, 6393364), (40, 3196682), (80, 1598341)]