217156920440

素因数分解:

$2^3\times 5^1\times {\mathrm{5428923011}}^1$

素因数の和:5428923022

約数の個数: 16

約数和(自身を含む): 488603071080

約数和(自身を除く): 271446150640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5428923011, 10857846022, 21715692044, 27144615055, 43431384088, 54289230110, 108578460220, 217156920440]

約数ペア:

[(1, 217156920440), (2, 108578460220), (4, 54289230110), (5, 43431384088), (8, 27144615055), (10, 21715692044), (20, 10857846022), (40, 5428923011)]