127906280

素因数分解:

$2^3\times 5^1\times {\mathrm{3197657}}^1$

素因数の和:3197668

約数の個数: 16

約数和(自身を含む): 287789220

約数和(自身を除く): 159882940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3197657, 6395314, 12790628, 15988285, 25581256, 31976570, 63953140, 127906280]

約数ペア:

[(1, 127906280), (2, 63953140), (4, 31976570), (5, 25581256), (8, 15988285), (10, 12790628), (20, 6395314), (40, 3197657)]