6539440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 15565968

約数和(自身を除く): 9026528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 1901, 3440, 3802, 7604, 9505, 15208, 19010, 30416, 38020, 76040, 81743, 152080, 163486, 326972, 408715, 653944, 817430, 1307888, 1634860, 3269720, 6539440]

約数ペア:

[(1, 6539440), (2, 3269720), (4, 1634860), (5, 1307888), (8, 817430), (10, 653944), (16, 408715), (20, 326972), (40, 163486), (43, 152080), (80, 81743), (86, 76040), (172, 38020), (215, 30416), (344, 19010), (430, 15208), (688, 9505), (860, 7604), (1720, 3802), (1901, 3440)]