12928580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{92347}}^1$

素因数の和:92363

約数の個数: 24

約数和(自身を含む): 31028928

約数和(自身を除く): 18100348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 92347, 184694, 369388, 461735, 646429, 923470, 1292858, 1846940, 2585716, 3232145, 6464290, 12928580]

約数ペア:

[(1, 12928580), (2, 6464290), (4, 3232145), (5, 2585716), (7, 1846940), (10, 1292858), (14, 923470), (20, 646429), (28, 461735), (35, 369388), (70, 184694), (140, 92347)]