640424024

素因数分解:

$2^3\times {\mathrm{5003}}^1\times {\mathrm{16001}}^1$

素因数の和:21010

約数の個数: 16

約数和(自身を含む): 1201110120

約数和(自身を除く): 560686096

約数列:

[1, 2, 4, 8, 5003, 10006, 16001, 20012, 32002, 40024, 64004, 128008, 80053003, 160106006, 320212012, 640424024]

約数ペア:

[(1, 640424024), (2, 320212012), (4, 160106006), (8, 80053003), (5003, 128008), (10006, 64004), (16001, 40024), (20012, 32002)]