4289840

素因数分解:

$2^4\times 5^1\times {\mathrm{53623}}^1$

素因数の和:53636

約数の個数: 20

約数和(自身を含む): 9974064

約数和(自身を除く): 5684224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 53623, 107246, 214492, 268115, 428984, 536230, 857968, 1072460, 2144920, 4289840]

約数ペア:

[(1, 4289840), (2, 2144920), (4, 1072460), (5, 857968), (8, 536230), (10, 428984), (16, 268115), (20, 214492), (40, 107246), (80, 53623)]