131294260

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{15161}}^1$

素因数の和:15603

約数の個数: 24

約数和(自身を含む): 276372936

約数和(自身を除く): 145078676

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 15161, 30322, 60644, 75805, 151610, 303220, 6564713, 13129426, 26258852, 32823565, 65647130, 131294260]

約数ペア:

[(1, 131294260), (2, 65647130), (4, 32823565), (5, 26258852), (10, 13129426), (20, 6564713), (433, 303220), (866, 151610), (1732, 75805), (2165, 60644), (4330, 30322), (8660, 15161)]