2016078320

素因数分解:

$2^4\times 5^1\times {\mathrm{25200979}}^1$

素因数の和:25200992

約数の個数: 20

約数和(自身を含む): 4687382280

約数和(自身を除く): 2671303960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25200979, 50401958, 100803916, 126004895, 201607832, 252009790, 403215664, 504019580, 1008039160, 2016078320]

約数ペア:

[(1, 2016078320), (2, 1008039160), (4, 504019580), (5, 403215664), (8, 252009790), (10, 201607832), (16, 126004895), (20, 100803916), (40, 50401958), (80, 25200979)]