8384500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 18804240

約数和(自身を除く): 10419740

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 409, 410, 500, 818, 820, 1025, 1636, 2045, 2050, 4090, 4100, 5125, 8180, 10225, 10250, 16769, 20450, 20500, 33538, 40900, 51125, 67076, 83845, 102250, 167690, 204500, 335380, 419225, 838450, 1676900, 2096125, 4192250, 8384500]

約数ペア:

[(1, 8384500), (2, 4192250), (4, 2096125), (5, 1676900), (10, 838450), (20, 419225), (25, 335380), (41, 204500), (50, 167690), (82, 102250), (100, 83845), (125, 67076), (164, 51125), (205, 40900), (250, 33538), (409, 20500), (410, 20450), (500, 16769), (818, 10250), (820, 10225), (1025, 8180), (1636, 5125), (2045, 4100), (2050, 4090)]