25766128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 53032320

約数和(自身を除く): 27266192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 647, 1048, 1294, 2096, 2489, 2588, 4978, 5176, 9956, 10352, 12293, 19912, 24586, 39824, 49172, 84757, 98344, 169514, 196688, 339028, 678056, 1356112, 1610383, 3220766, 6441532, 12883064, 25766128]

約数ペア:

[(1, 25766128), (2, 12883064), (4, 6441532), (8, 3220766), (16, 1610383), (19, 1356112), (38, 678056), (76, 339028), (131, 196688), (152, 169514), (262, 98344), (304, 84757), (524, 49172), (647, 39824), (1048, 24586), (1294, 19912), (2096, 12293), (2489, 10352), (2588, 9956), (4978, 5176)]