1125520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 2856960

約数和(自身を除く): 1731440

約数列:

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

約数ペア:

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