529420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 1126944

約数和(自身を除く): 597524

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 257, 412, 514, 515, 1028, 1030, 1285, 2060, 2570, 5140, 26471, 52942, 105884, 132355, 264710, 529420]

約数ペア:

[(1, 529420), (2, 264710), (4, 132355), (5, 105884), (10, 52942), (20, 26471), (103, 5140), (206, 2570), (257, 2060), (412, 1285), (514, 1030), (515, 1028)]