201640456120

素因数分解:

$2^3\times 5^1\times {\mathrm{5041011403}}^1$

素因数の和:5041011414

約数の個数: 16

約数和(自身を含む): 453691026360

約数和(自身を除く): 252050570240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5041011403, 10082022806, 20164045612, 25205057015, 40328091224, 50410114030, 100820228060, 201640456120]

約数ペア:

[(1, 201640456120), (2, 100820228060), (4, 50410114030), (5, 40328091224), (8, 25205057015), (10, 20164045612), (20, 10082022806), (40, 5041011403)]