12438800

素因数分解:

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

素因数の和:297

約数の個数: 90

約数和(自身を含む): 32975754

約数和(自身を除く): 20536954

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 257, 275, 400, 440, 484, 514, 550, 605, 880, 968, 1028, 1100, 1210, 1285, 1936, 2056, 2200, 2420, 2570, 2827, 3025, 4112, 4400, 4840, 5140, 5654, 6050, 6425, 9680, 10280, 11308, 12100, 12850, 14135, 20560, 22616, 24200, 25700, 28270, 31097, 45232, 48400, 51400, 56540, 62194, 70675, 102800, 113080, 124388, 141350, 155485, 226160, 248776, 282700, 310970, 497552, 565400, 621940, 777425, 1130800, 1243880, 1554850, 2487760, 3109700, 6219400, 12438800]

約数ペア:

[(1, 12438800), (2, 6219400), (4, 3109700), (5, 2487760), (8, 1554850), (10, 1243880), (11, 1130800), (16, 777425), (20, 621940), (22, 565400), (25, 497552), (40, 310970), (44, 282700), (50, 248776), (55, 226160), (80, 155485), (88, 141350), (100, 124388), (110, 113080), (121, 102800), (176, 70675), (200, 62194), (220, 56540), (242, 51400), (257, 48400), (275, 45232), (400, 31097), (440, 28270), (484, 25700), (514, 24200), (550, 22616), (605, 20560), (880, 14135), (968, 12850), (1028, 12100), (1100, 11308), (1210, 10280), (1285, 9680), (1936, 6425), (2056, 6050), (2200, 5654), (2420, 5140), (2570, 4840), (2827, 4400), (3025, 4112)]