84319960

素因数分解:

$2^3\times 5^1\times {\mathrm{2107999}}^1$

素因数の和:2108010

約数の個数: 16

約数和(自身を含む): 189720000

約数和(自身を除く): 105400040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2107999, 4215998, 8431996, 10539995, 16863992, 21079990, 42159980, 84319960]

約数ペア:

[(1, 84319960), (2, 42159980), (4, 21079990), (5, 16863992), (8, 10539995), (10, 8431996), (20, 4215998), (40, 2107999)]