2957680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3361}}^1$

素因数の和:3385

約数の個数: 40

約数和(自身を含む): 7503984

約数和(自身を除く): 4546304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3361, 6722, 13444, 16805, 26888, 33610, 36971, 53776, 67220, 73942, 134440, 147884, 184855, 268880, 295768, 369710, 591536, 739420, 1478840, 2957680]

約数ペア:

[(1, 2957680), (2, 1478840), (4, 739420), (5, 591536), (8, 369710), (10, 295768), (11, 268880), (16, 184855), (20, 147884), (22, 134440), (40, 73942), (44, 67220), (55, 53776), (80, 36971), (88, 33610), (110, 26888), (176, 16805), (220, 13444), (440, 6722), (880, 3361)]