81091072

素因数分解:

$2^9\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:900

約数の個数: 40

約数和(自身を含む): 162927072

約数和(自身を除く): 81836000

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 256, 502, 512, 631, 1004, 1262, 2008, 2524, 4016, 5048, 8032, 10096, 16064, 20192, 32128, 40384, 64256, 80768, 128512, 158381, 161536, 316762, 323072, 633524, 1267048, 2534096, 5068192, 10136384, 20272768, 40545536, 81091072]

約数ペア:

[(1, 81091072), (2, 40545536), (4, 20272768), (8, 10136384), (16, 5068192), (32, 2534096), (64, 1267048), (128, 633524), (251, 323072), (256, 316762), (502, 161536), (512, 158381), (631, 128512), (1004, 80768), (1262, 64256), (2008, 40384), (2524, 32128), (4016, 20192), (5048, 16064), (8032, 10096)]