2181580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5741}}^1$

素因数の和:5769

約数の個数: 24

約数和(自身を含む): 4823280

約数和(自身を除く): 2641700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5741, 11482, 22964, 28705, 57410, 109079, 114820, 218158, 436316, 545395, 1090790, 2181580]

約数ペア:

[(1, 2181580), (2, 1090790), (4, 545395), (5, 436316), (10, 218158), (19, 114820), (20, 109079), (38, 57410), (76, 28705), (95, 22964), (190, 11482), (380, 5741)]