7240340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8419}}^1$

素因数の和:8471

約数の個数: 24

約数和(自身を含む): 15560160

約数和(自身を除く): 8319820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 8419, 16838, 33676, 42095, 84190, 168380, 362017, 724034, 1448068, 1810085, 3620170, 7240340]

約数ペア:

[(1, 7240340), (2, 3620170), (4, 1810085), (5, 1448068), (10, 724034), (20, 362017), (43, 168380), (86, 84190), (172, 42095), (215, 33676), (430, 16838), (860, 8419)]