8247920

素因数分解:

$2^4\times 5^1\times {\mathrm{103099}}^1$

素因数の和:103112

約数の個数: 20

約数和(自身を含む): 19176600

約数和(自身を除く): 10928680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103099, 206198, 412396, 515495, 824792, 1030990, 1649584, 2061980, 4123960, 8247920]

約数ペア:

[(1, 8247920), (2, 4123960), (4, 2061980), (5, 1649584), (8, 1030990), (10, 824792), (16, 515495), (20, 412396), (40, 206198), (80, 103099)]