25860368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 53106720

約数和(自身を除く): 27246352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 331, 514, 662, 1028, 1324, 2056, 2648, 4112, 4883, 5296, 6289, 9766, 12578, 19532, 25156, 39064, 50312, 78128, 85067, 100624, 170134, 340268, 680536, 1361072, 1616273, 3232546, 6465092, 12930184, 25860368]

約数ペア:

[(1, 25860368), (2, 12930184), (4, 6465092), (8, 3232546), (16, 1616273), (19, 1361072), (38, 680536), (76, 340268), (152, 170134), (257, 100624), (304, 85067), (331, 78128), (514, 50312), (662, 39064), (1028, 25156), (1324, 19532), (2056, 12578), (2648, 9766), (4112, 6289), (4883, 5296)]