804511280

素因数分解:

$2^4\times 5^1\times {\mathrm{10056391}}^1$

素因数の和:10056404

約数の個数: 20

約数和(自身を含む): 1870488912

約数和(自身を除く): 1065977632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10056391, 20112782, 40225564, 50281955, 80451128, 100563910, 160902256, 201127820, 402255640, 804511280]

約数ペア:

[(1, 804511280), (2, 402255640), (4, 201127820), (5, 160902256), (8, 100563910), (10, 80451128), (16, 50281955), (20, 40225564), (40, 20112782), (80, 10056391)]