40641328

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 98215936

約数和(自身を除く): 57574608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 271, 364, 412, 542, 721, 728, 824, 1084, 1339, 1442, 1456, 1648, 1897, 2168, 2678, 2884, 3523, 3794, 4336, 5356, 5768, 7046, 7588, 9373, 10712, 11536, 14092, 15176, 18746, 21424, 24661, 27913, 28184, 30352, 37492, 49322, 55826, 56368, 74984, 98644, 111652, 149968, 195391, 197288, 223304, 362869, 390782, 394576, 446608, 725738, 781564, 1451476, 1563128, 2540083, 2902952, 3126256, 5080166, 5805904, 10160332, 20320664, 40641328]

約数ペア:

[(1, 40641328), (2, 20320664), (4, 10160332), (7, 5805904), (8, 5080166), (13, 3126256), (14, 2902952), (16, 2540083), (26, 1563128), (28, 1451476), (52, 781564), (56, 725738), (91, 446608), (103, 394576), (104, 390782), (112, 362869), (182, 223304), (206, 197288), (208, 195391), (271, 149968), (364, 111652), (412, 98644), (542, 74984), (721, 56368), (728, 55826), (824, 49322), (1084, 37492), (1339, 30352), (1442, 28184), (1456, 27913), (1648, 24661), (1897, 21424), (2168, 18746), (2678, 15176), (2884, 14092), (3523, 11536), (3794, 10712), (4336, 9373), (5356, 7588), (5768, 7046)]