4481008

素因数分解:

$2^4\times 7^1\times {\mathrm{40009}}^1$

素因数の和:40024

約数の個数: 20

約数和(自身を含む): 9922480

約数和(自身を除く): 5441472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 40009, 80018, 160036, 280063, 320072, 560126, 640144, 1120252, 2240504, 4481008]

約数ペア:

[(1, 4481008), (2, 2240504), (4, 1120252), (7, 640144), (8, 560126), (14, 320072), (16, 280063), (28, 160036), (56, 80018), (112, 40009)]