20199291025

素因数分解:

$5^2\times {\mathrm{199}}^1\times {\mathrm{4060159}}^1$

素因数の和:4060368

約数の個数: 12

約数和(自身を含む): 25172992000

約数和(自身を除く): 4973700975

約数列:

[1, 5, 25, 199, 995, 4975, 4060159, 20300795, 101503975, 807971641, 4039858205, 20199291025]

約数ペア:

[(1, 20199291025), (5, 4039858205), (25, 807971641), (199, 101503975), (995, 20300795), (4975, 4060159)]