87871340

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{11779}}^1$

素因数の和:12161

約数の個数: 24

約数和(自身を含む): 185040240

約数和(自身を除く): 97168900

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 11779, 23558, 47116, 58895, 117790, 235580, 4393567, 8787134, 17574268, 21967835, 43935670, 87871340]

約数ペア:

[(1, 87871340), (2, 43935670), (4, 21967835), (5, 17574268), (10, 8787134), (20, 4393567), (373, 235580), (746, 117790), (1492, 58895), (1865, 47116), (3730, 23558), (7460, 11779)]