1685156680

素因数分解:

$2^3\times 5^1\times {\mathrm{42128917}}^1$

素因数の和:42128928

約数の個数: 16

約数和(自身を含む): 3791602620

約数和(自身を除く): 2106445940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42128917, 84257834, 168515668, 210644585, 337031336, 421289170, 842578340, 1685156680]

約数ペア:

[(1, 1685156680), (2, 842578340), (4, 421289170), (5, 337031336), (8, 210644585), (10, 168515668), (20, 84257834), (40, 42128917)]