40643072

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 40

約数和(自身を含む): 81872736

約数和(自身を除く): 41229664

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 326, 487, 512, 652, 974, 1304, 1948, 2608, 3896, 5216, 7792, 10432, 15584, 20864, 31168, 41728, 62336, 79381, 83456, 124672, 158762, 249344, 317524, 635048, 1270096, 2540192, 5080384, 10160768, 20321536, 40643072]

約数ペア:

[(1, 40643072), (2, 20321536), (4, 10160768), (8, 5080384), (16, 2540192), (32, 1270096), (64, 635048), (128, 317524), (163, 249344), (256, 158762), (326, 124672), (487, 83456), (512, 79381), (652, 62336), (974, 41728), (1304, 31168), (1948, 20864), (2608, 15584), (3896, 10432), (5216, 7792)]