66264880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 169301664

約数和(自身を除く): 103036784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 257, 293, 440, 514, 586, 880, 1028, 1172, 1285, 1465, 2056, 2344, 2570, 2827, 2930, 3223, 4112, 4688, 5140, 5654, 5860, 6446, 10280, 11308, 11720, 12892, 14135, 16115, 20560, 22616, 23440, 25784, 28270, 32230, 45232, 51568, 56540, 64460, 75301, 113080, 128920, 150602, 226160, 257840, 301204, 376505, 602408, 753010, 828311, 1204816, 1506020, 1656622, 3012040, 3313244, 4141555, 6024080, 6626488, 8283110, 13252976, 16566220, 33132440, 66264880]

約数ペア:

[(1, 66264880), (2, 33132440), (4, 16566220), (5, 13252976), (8, 8283110), (10, 6626488), (11, 6024080), (16, 4141555), (20, 3313244), (22, 3012040), (40, 1656622), (44, 1506020), (55, 1204816), (80, 828311), (88, 753010), (110, 602408), (176, 376505), (220, 301204), (257, 257840), (293, 226160), (440, 150602), (514, 128920), (586, 113080), (880, 75301), (1028, 64460), (1172, 56540), (1285, 51568), (1465, 45232), (2056, 32230), (2344, 28270), (2570, 25784), (2827, 23440), (2930, 22616), (3223, 20560), (4112, 16115), (4688, 14135), (5140, 12892), (5654, 11720), (5860, 11308), (6446, 10280)]