39978112

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 83280960

約数和(自身を除く): 43302848

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 71, 83, 106, 128, 142, 166, 212, 284, 332, 424, 568, 664, 848, 1136, 1328, 1696, 2272, 2656, 3392, 3763, 4399, 4544, 5312, 5893, 6784, 7526, 8798, 9088, 10624, 11786, 15052, 17596, 23572, 30104, 35192, 47144, 60208, 70384, 94288, 120416, 140768, 188576, 240832, 281536, 312329, 377152, 481664, 563072, 624658, 754304, 1249316, 2498632, 4997264, 9994528, 19989056, 39978112]

約数ペア:

[(1, 39978112), (2, 19989056), (4, 9994528), (8, 4997264), (16, 2498632), (32, 1249316), (53, 754304), (64, 624658), (71, 563072), (83, 481664), (106, 377152), (128, 312329), (142, 281536), (166, 240832), (212, 188576), (284, 140768), (332, 120416), (424, 94288), (568, 70384), (664, 60208), (848, 47144), (1136, 35192), (1328, 30104), (1696, 23572), (2272, 17596), (2656, 15052), (3392, 11786), (3763, 10624), (4399, 9088), (4544, 8798), (5312, 7526), (5893, 6784)]