80262128

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 158360400

約数和(自身を除く): 78098272

約数列:

[1, 2, 4, 8, 16, 131, 149, 257, 262, 298, 514, 524, 596, 1028, 1048, 1192, 2056, 2096, 2384, 4112, 19519, 33667, 38293, 39038, 67334, 76586, 78076, 134668, 153172, 156152, 269336, 306344, 312304, 538672, 612688, 5016383, 10032766, 20065532, 40131064, 80262128]

約数ペア:

[(1, 80262128), (2, 40131064), (4, 20065532), (8, 10032766), (16, 5016383), (131, 612688), (149, 538672), (257, 312304), (262, 306344), (298, 269336), (514, 156152), (524, 153172), (596, 134668), (1028, 78076), (1048, 76586), (1192, 67334), (2056, 39038), (2096, 38293), (2384, 33667), (4112, 19519)]