138249080

素因数分解:

$2^3\times 5^1\times {\mathrm{3456227}}^1$

素因数の和:3456238

約数の個数: 16

約数和(自身を含む): 311060520

約数和(自身を除く): 172811440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3456227, 6912454, 13824908, 17281135, 27649816, 34562270, 69124540, 138249080]

約数ペア:

[(1, 138249080), (2, 69124540), (4, 34562270), (5, 27649816), (8, 17281135), (10, 13824908), (20, 6912454), (40, 3456227)]