2251040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3555040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1279, 1760, 2558, 5116, 6395, 10232, 12790, 14069, 20464, 25580, 28138, 40928, 51160, 56276, 70345, 102320, 112552, 140690, 204640, 225104, 281380, 450208, 562760, 1125520, 2251040]

約数ペア:

[(1, 2251040), (2, 1125520), (4, 562760), (5, 450208), (8, 281380), (10, 225104), (11, 204640), (16, 140690), (20, 112552), (22, 102320), (32, 70345), (40, 56276), (44, 51160), (55, 40928), (80, 28138), (88, 25580), (110, 20464), (160, 14069), (176, 12790), (220, 10232), (352, 6395), (440, 5116), (880, 2558), (1279, 1760)]