1885840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2143}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 4785408

約数和(自身を除く): 2899568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2143, 4286, 8572, 10715, 17144, 21430, 23573, 34288, 42860, 47146, 85720, 94292, 117865, 171440, 188584, 235730, 377168, 471460, 942920, 1885840]

約数ペア:

[(1, 1885840), (2, 942920), (4, 471460), (5, 377168), (8, 235730), (10, 188584), (11, 171440), (16, 117865), (20, 94292), (22, 85720), (40, 47146), (44, 42860), (55, 34288), (80, 23573), (88, 21430), (110, 17144), (176, 10715), (220, 8572), (440, 4286), (880, 2143)]