8399540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3853}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 17805480

約数和(自身を除く): 9405940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3853, 7706, 15412, 19265, 38530, 77060, 419977, 839954, 1679908, 2099885, 4199770, 8399540]

約数ペア:

[(1, 8399540), (2, 4199770), (4, 2099885), (5, 1679908), (10, 839954), (20, 419977), (109, 77060), (218, 38530), (436, 19265), (545, 15412), (1090, 7706), (2180, 3853)]