5206820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1013}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 10987704

約数和(自身を除く): 5780884

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1013, 1028, 1285, 2026, 2570, 4052, 5065, 5140, 10130, 20260, 260341, 520682, 1041364, 1301705, 2603410, 5206820]

約数ペア:

[(1, 5206820), (2, 2603410), (4, 1301705), (5, 1041364), (10, 520682), (20, 260341), (257, 20260), (514, 10130), (1013, 5140), (1028, 5065), (1285, 4052), (2026, 2570)]