25612520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14891}}^1$

素因数の和:14945

約数の個数: 32

約数和(自身を含む): 58972320

約数和(自身を除く): 33359800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14891, 29782, 59564, 74455, 119128, 148910, 297820, 595640, 640313, 1280626, 2561252, 3201565, 5122504, 6403130, 12806260, 25612520]

約数ペア:

[(1, 25612520), (2, 12806260), (4, 6403130), (5, 5122504), (8, 3201565), (10, 2561252), (20, 1280626), (40, 640313), (43, 595640), (86, 297820), (172, 148910), (215, 119128), (344, 74455), (430, 59564), (860, 29782), (1720, 14891)]