55421720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 131569920

約数和(自身を除く): 76148200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 184, 214, 230, 428, 460, 535, 563, 856, 920, 1070, 1126, 2140, 2252, 2461, 2815, 4280, 4504, 4922, 5630, 9844, 11260, 12305, 12949, 19688, 22520, 24610, 25898, 49220, 51796, 60241, 64745, 98440, 103592, 120482, 129490, 240964, 258980, 301205, 481928, 517960, 602410, 1204820, 1385543, 2409640, 2771086, 5542172, 6927715, 11084344, 13855430, 27710860, 55421720]

約数ペア:

[(1, 55421720), (2, 27710860), (4, 13855430), (5, 11084344), (8, 6927715), (10, 5542172), (20, 2771086), (23, 2409640), (40, 1385543), (46, 1204820), (92, 602410), (107, 517960), (115, 481928), (184, 301205), (214, 258980), (230, 240964), (428, 129490), (460, 120482), (535, 103592), (563, 98440), (856, 64745), (920, 60241), (1070, 51796), (1126, 49220), (2140, 25898), (2252, 24610), (2461, 22520), (2815, 19688), (4280, 12949), (4504, 12305), (4922, 11260), (5630, 9844)]