55172920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3448

約数の個数: 64

約数和(自身を含む): 139125600

約数和(自身を除く): 83952680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 3389, 4070, 6778, 8140, 13556, 16280, 16945, 27112, 33890, 37279, 67780, 74558, 125393, 135560, 149116, 186395, 250786, 298232, 372790, 501572, 626965, 745580, 1003144, 1253930, 1379323, 1491160, 2507860, 2758646, 5015720, 5517292, 6896615, 11034584, 13793230, 27586460, 55172920]

約数ペア:

[(1, 55172920), (2, 27586460), (4, 13793230), (5, 11034584), (8, 6896615), (10, 5517292), (11, 5015720), (20, 2758646), (22, 2507860), (37, 1491160), (40, 1379323), (44, 1253930), (55, 1003144), (74, 745580), (88, 626965), (110, 501572), (148, 372790), (185, 298232), (220, 250786), (296, 186395), (370, 149116), (407, 135560), (440, 125393), (740, 74558), (814, 67780), (1480, 37279), (1628, 33890), (2035, 27112), (3256, 16945), (3389, 16280), (4070, 13556), (6778, 8140)]