11971220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5297}}^1$

素因数の和:5419

約数の個数: 24

約数和(自身を含む): 25366824

約数和(自身を除く): 13395604

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 5297, 10594, 21188, 26485, 52970, 105940, 598561, 1197122, 2394244, 2992805, 5985610, 11971220]

約数ペア:

[(1, 11971220), (2, 5985610), (4, 2992805), (5, 2394244), (10, 1197122), (20, 598561), (113, 105940), (226, 52970), (452, 26485), (565, 21188), (1130, 10594), (2260, 5297)]