4071280

素因数分解:

$2^4\times 5^1\times {\mathrm{50891}}^1$

素因数の和:50904

約数の個数: 20

約数和(自身を含む): 9465912

約数和(自身を除く): 5394632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50891, 101782, 203564, 254455, 407128, 508910, 814256, 1017820, 2035640, 4071280]

約数ペア:

[(1, 4071280), (2, 2035640), (4, 1017820), (5, 814256), (8, 508910), (10, 407128), (16, 254455), (20, 203564), (40, 101782), (80, 50891)]