80467928

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{19997}}^1$

素因数の和:20506

約数の個数: 16

約数和(自身を含む): 151184880

約数和(自身を除く): 70716952

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 19997, 39994, 79988, 159976, 10058491, 20116982, 40233964, 80467928]

約数ペア:

[(1, 80467928), (2, 40233964), (4, 20116982), (8, 10058491), (503, 159976), (1006, 79988), (2012, 39994), (4024, 19997)]