8200450

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:822

約数の個数: 24

約数和(自身を含む): 15328260

約数和(自身を除く): 7127810

約数列:

[1, 2, 5, 10, 25, 50, 401, 409, 802, 818, 2005, 2045, 4010, 4090, 10025, 10225, 20050, 20450, 164009, 328018, 820045, 1640090, 4100225, 8200450]

約数ペア:

[(1, 8200450), (2, 4100225), (5, 1640090), (10, 820045), (25, 328018), (50, 164009), (401, 20450), (409, 20050), (802, 10225), (818, 10025), (2005, 4090), (2045, 4010)]