12947380

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2903}}^1$

素因数の和:3135

約数の個数: 24

約数和(自身を含む): 27320832

約数和(自身を除く): 14373452

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2903, 4460, 5806, 11612, 14515, 29030, 58060, 647369, 1294738, 2589476, 3236845, 6473690, 12947380]

約数ペア:

[(1, 12947380), (2, 6473690), (4, 3236845), (5, 2589476), (10, 1294738), (20, 647369), (223, 58060), (446, 29030), (892, 14515), (1115, 11612), (2230, 5806), (2903, 4460)]