201613660

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{12809}}^1$

素因数の和:13605

約数の個数: 24

約数和(自身を含む): 423959760

約数和(自身を除く): 222346100

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 12809, 15740, 25618, 51236, 64045, 128090, 256180, 10080683, 20161366, 40322732, 50403415, 100806830, 201613660]

約数ペア:

[(1, 201613660), (2, 100806830), (4, 50403415), (5, 40322732), (10, 20161366), (20, 10080683), (787, 256180), (1574, 128090), (3148, 64045), (3935, 51236), (7870, 25618), (12809, 15740)]