55686760

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5417}}^1$

素因数の和:5685

約数の個数: 32

約数和(自身を含む): 125805960

約数和(自身を除く): 70119200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 5417, 10280, 10834, 21668, 27085, 43336, 54170, 108340, 216680, 1392169, 2784338, 5568676, 6960845, 11137352, 13921690, 27843380, 55686760]

約数ペア:

[(1, 55686760), (2, 27843380), (4, 13921690), (5, 11137352), (8, 6960845), (10, 5568676), (20, 2784338), (40, 1392169), (257, 216680), (514, 108340), (1028, 54170), (1285, 43336), (2056, 27085), (2570, 21668), (5140, 10834), (5417, 10280)]