2545840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1$

素因数の和:298

約数の個数: 60

約数和(自身を含む): 6530832

約数和(自身を除く): 3984992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 263, 440, 484, 526, 605, 880, 968, 1052, 1210, 1315, 1936, 2104, 2420, 2630, 2893, 4208, 4840, 5260, 5786, 9680, 10520, 11572, 14465, 21040, 23144, 28930, 31823, 46288, 57860, 63646, 115720, 127292, 159115, 231440, 254584, 318230, 509168, 636460, 1272920, 2545840]

約数ペア:

[(1, 2545840), (2, 1272920), (4, 636460), (5, 509168), (8, 318230), (10, 254584), (11, 231440), (16, 159115), (20, 127292), (22, 115720), (40, 63646), (44, 57860), (55, 46288), (80, 31823), (88, 28930), (110, 23144), (121, 21040), (176, 14465), (220, 11572), (242, 10520), (263, 9680), (440, 5786), (484, 5260), (526, 4840), (605, 4208), (880, 2893), (968, 2630), (1052, 2420), (1210, 2104), (1315, 1936)]