797156680

素因数分解:

$2^3\times 5^1\times {\mathrm{19928917}}^1$

素因数の和:19928928

約数の個数: 16

約数和(自身を含む): 1793602620

約数和(自身を除く): 996445940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19928917, 39857834, 79715668, 99644585, 159431336, 199289170, 398578340, 797156680]

約数ペア:

[(1, 797156680), (2, 398578340), (4, 199289170), (5, 159431336), (8, 99644585), (10, 79715668), (20, 39857834), (40, 19928917)]