39682120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23071}}^1$

素因数の和:23125

約数の個数: 32

約数和(自身を含む): 91365120

約数和(自身を除く): 51683000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23071, 46142, 92284, 115355, 184568, 230710, 461420, 922840, 992053, 1984106, 3968212, 4960265, 7936424, 9920530, 19841060, 39682120]

約数ペア:

[(1, 39682120), (2, 19841060), (4, 9920530), (5, 7936424), (8, 4960265), (10, 3968212), (20, 1984106), (40, 992053), (43, 922840), (86, 461420), (172, 230710), (215, 184568), (344, 115355), (430, 92284), (860, 46142), (1720, 23071)]