2600840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 6687360

約数和(自身を除く): 4086520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 257, 440, 460, 506, 514, 920, 1012, 1028, 1265, 1285, 2024, 2056, 2530, 2570, 2827, 5060, 5140, 5654, 5911, 10120, 10280, 11308, 11822, 14135, 22616, 23644, 28270, 29555, 47288, 56540, 59110, 65021, 113080, 118220, 130042, 236440, 260084, 325105, 520168, 650210, 1300420, 2600840]

約数ペア:

[(1, 2600840), (2, 1300420), (4, 650210), (5, 520168), (8, 325105), (10, 260084), (11, 236440), (20, 130042), (22, 118220), (23, 113080), (40, 65021), (44, 59110), (46, 56540), (55, 47288), (88, 29555), (92, 28270), (110, 23644), (115, 22616), (184, 14135), (220, 11822), (230, 11308), (253, 10280), (257, 10120), (440, 5911), (460, 5654), (506, 5140), (514, 5060), (920, 2827), (1012, 2570), (1028, 2530), (1265, 2056), (1285, 2024)]