25821328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2951

約数の個数: 40

約数和(自身を含む): 55149248

約数和(自身を除く): 29327920

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 2887, 4472, 5774, 8944, 11548, 23096, 37531, 46192, 75062, 124141, 150124, 248282, 300248, 496564, 600496, 993128, 1613833, 1986256, 3227666, 6455332, 12910664, 25821328]

約数ペア:

[(1, 25821328), (2, 12910664), (4, 6455332), (8, 3227666), (13, 1986256), (16, 1613833), (26, 993128), (43, 600496), (52, 496564), (86, 300248), (104, 248282), (172, 150124), (208, 124141), (344, 75062), (559, 46192), (688, 37531), (1118, 23096), (2236, 11548), (2887, 8944), (4472, 5774)]