7057220

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1373}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 14888664

約数和(自身を除く): 7831444

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 1373, 2570, 2746, 5140, 5492, 6865, 13730, 27460, 352861, 705722, 1411444, 1764305, 3528610, 7057220]

約数ペア:

[(1, 7057220), (2, 3528610), (4, 1764305), (5, 1411444), (10, 705722), (20, 352861), (257, 27460), (514, 13730), (1028, 6865), (1285, 5492), (1373, 5140), (2570, 2746)]