82004500

素因数分解:

$2^2\times 5^3\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 179983440

約数和(自身を除く): 97978940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 401, 409, 500, 802, 818, 1604, 1636, 2005, 2045, 4010, 4090, 8020, 8180, 10025, 10225, 20050, 20450, 40100, 40900, 50125, 51125, 100250, 102250, 164009, 200500, 204500, 328018, 656036, 820045, 1640090, 3280180, 4100225, 8200450, 16400900, 20501125, 41002250, 82004500]

約数ペア:

[(1, 82004500), (2, 41002250), (4, 20501125), (5, 16400900), (10, 8200450), (20, 4100225), (25, 3280180), (50, 1640090), (100, 820045), (125, 656036), (250, 328018), (401, 204500), (409, 200500), (500, 164009), (802, 102250), (818, 100250), (1604, 51125), (1636, 50125), (2005, 40900), (2045, 40100), (4010, 20450), (4090, 20050), (8020, 10225), (8180, 10025)]