25553008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 54576368

約数和(自身を除く): 29023360

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2857, 4472, 5714, 8944, 11428, 22856, 37141, 45712, 74282, 122851, 148564, 245702, 297128, 491404, 594256, 982808, 1597063, 1965616, 3194126, 6388252, 12776504, 25553008]

約数ペア:

[(1, 25553008), (2, 12776504), (4, 6388252), (8, 3194126), (13, 1965616), (16, 1597063), (26, 982808), (43, 594256), (52, 491404), (86, 297128), (104, 245702), (172, 148564), (208, 122851), (344, 74282), (559, 45712), (688, 37141), (1118, 22856), (2236, 11428), (2857, 8944), (4472, 5714)]