40939072

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 56

約数和(自身を含む): 86502240

約数和(自身を除く): 45563168

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 131, 152, 257, 262, 304, 514, 524, 608, 1028, 1048, 1216, 2056, 2096, 2489, 4112, 4192, 4883, 4978, 8224, 8384, 9766, 9956, 16448, 19532, 19912, 33667, 39064, 39824, 67334, 78128, 79648, 134668, 156256, 159296, 269336, 312512, 538672, 639673, 1077344, 1279346, 2154688, 2558692, 5117384, 10234768, 20469536, 40939072]

約数ペア:

[(1, 40939072), (2, 20469536), (4, 10234768), (8, 5117384), (16, 2558692), (19, 2154688), (32, 1279346), (38, 1077344), (64, 639673), (76, 538672), (131, 312512), (152, 269336), (257, 159296), (262, 156256), (304, 134668), (514, 79648), (524, 78128), (608, 67334), (1028, 39824), (1048, 39064), (1216, 33667), (2056, 19912), (2096, 19532), (2489, 16448), (4112, 9956), (4192, 9766), (4883, 8384), (4978, 8224)]