1298032760

素因数分解:

$2^3\times 5^1\times {\mathrm{32450819}}^1$

素因数の和:32450830

約数の個数: 16

約数和(自身を含む): 2920573800

約数和(自身を除く): 1622541040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32450819, 64901638, 129803276, 162254095, 259606552, 324508190, 649016380, 1298032760]

約数ペア:

[(1, 1298032760), (2, 649016380), (4, 324508190), (5, 259606552), (8, 162254095), (10, 129803276), (20, 64901638), (40, 32450819)]