4425380

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 9333240

約数和(自身を除く): 4907860

約数列:

[1, 2, 4, 5, 10, 20, 409, 541, 818, 1082, 1636, 2045, 2164, 2705, 4090, 5410, 8180, 10820, 221269, 442538, 885076, 1106345, 2212690, 4425380]

約数ペア:

[(1, 4425380), (2, 2212690), (4, 1106345), (5, 885076), (10, 442538), (20, 221269), (409, 10820), (541, 8180), (818, 5410), (1082, 4090), (1636, 2705), (2045, 2164)]