201640360

素因数分解:

$2^3\times 5^1\times {\mathrm{5041009}}^1$

素因数の和:5041020

約数の個数: 16

約数和(自身を含む): 453690900

約数和(自身を除く): 252050540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5041009, 10082018, 20164036, 25205045, 40328072, 50410090, 100820180, 201640360]

約数ペア:

[(1, 201640360), (2, 100820180), (4, 50410090), (5, 40328072), (8, 25205045), (10, 20164036), (20, 10082018), (40, 5041009)]