25869488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2049

約数の個数: 40

約数和(自身を含む): 54014400

約数和(自身を除く): 28144912

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 1979, 3268, 3958, 6536, 7916, 13072, 15832, 31664, 37601, 75202, 85097, 150404, 170194, 300808, 340388, 601616, 680776, 1361552, 1616843, 3233686, 6467372, 12934744, 25869488]

約数ペア:

[(1, 25869488), (2, 12934744), (4, 6467372), (8, 3233686), (16, 1616843), (19, 1361552), (38, 680776), (43, 601616), (76, 340388), (86, 300808), (152, 170194), (172, 150404), (304, 85097), (344, 75202), (688, 37601), (817, 31664), (1634, 15832), (1979, 13072), (3268, 7916), (3958, 6536)]