7137031280

素因数分解:

$2^4\times 5^1\times {\mathrm{89212891}}^1$

素因数の和:89212904

約数の個数: 20

約数和(自身を含む): 16593597912

約数和(自身を除く): 9456566632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89212891, 178425782, 356851564, 446064455, 713703128, 892128910, 1427406256, 1784257820, 3568515640, 7137031280]

約数ペア:

[(1, 7137031280), (2, 3568515640), (4, 1784257820), (5, 1427406256), (8, 892128910), (10, 713703128), (16, 446064455), (20, 356851564), (40, 178425782), (80, 89212891)]