139246280

素因数分解:

$2^3\times 5^1\times {\mathrm{3481157}}^1$

素因数の和:3481168

約数の個数: 16

約数和(自身を含む): 313304220

約数和(自身を除く): 174057940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3481157, 6962314, 13924628, 17405785, 27849256, 34811570, 69623140, 139246280]

約数ペア:

[(1, 139246280), (2, 69623140), (4, 34811570), (5, 27849256), (8, 17405785), (10, 13924628), (20, 6962314), (40, 3481157)]