1408880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1601}}^1$

素因数の和:1625

約数の個数: 40

約数和(自身を含む): 3575664

約数和(自身を除く): 2166784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1601, 3202, 6404, 8005, 12808, 16010, 17611, 25616, 32020, 35222, 64040, 70444, 88055, 128080, 140888, 176110, 281776, 352220, 704440, 1408880]

約数ペア:

[(1, 1408880), (2, 704440), (4, 352220), (5, 281776), (8, 176110), (10, 140888), (11, 128080), (16, 88055), (20, 70444), (22, 64040), (40, 35222), (44, 32020), (55, 25616), (80, 17611), (88, 16010), (110, 12808), (176, 8005), (220, 6404), (440, 3202), (880, 1601)]