55857560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126949}}^1$

素因数の和:126971

約数の個数: 32

約数和(自身を含む): 137106000

約数和(自身を除く): 81248440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 126949, 253898, 507796, 634745, 1015592, 1269490, 1396439, 2538980, 2792878, 5077960, 5585756, 6982195, 11171512, 13964390, 27928780, 55857560]

約数ペア:

[(1, 55857560), (2, 27928780), (4, 13964390), (5, 11171512), (8, 6982195), (10, 5585756), (11, 5077960), (20, 2792878), (22, 2538980), (40, 1396439), (44, 1269490), (55, 1015592), (88, 634745), (110, 507796), (220, 253898), (440, 126949)]