12722971280

素因数分解:

$2^4\times 5^1\times {\mathrm{159037141}}^1$

素因数の和:159037154

約数の個数: 20

約数和(自身を含む): 29580908412

約数和(自身を除く): 16857937132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159037141, 318074282, 636148564, 795185705, 1272297128, 1590371410, 2544594256, 3180742820, 6361485640, 12722971280]

約数ペア:

[(1, 12722971280), (2, 6361485640), (4, 3180742820), (5, 2544594256), (8, 1590371410), (10, 1272297128), (16, 795185705), (20, 636148564), (40, 318074282), (80, 159037141)]