2689840

素因数分解:

$2^4\times 5^1\times {\mathrm{33623}}^1$

素因数の和:33636

約数の個数: 20

約数和(自身を含む): 6254064

約数和(自身を除く): 3564224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33623, 67246, 134492, 168115, 268984, 336230, 537968, 672460, 1344920, 2689840]

約数ペア:

[(1, 2689840), (2, 1344920), (4, 672460), (5, 537968), (8, 336230), (10, 268984), (16, 168115), (20, 134492), (40, 67246), (80, 33623)]