16440340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117431}}^1$

素因数の和:117447

約数の個数: 24

約数和(自身を含む): 39457152

約数和(自身を除く): 23016812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117431, 234862, 469724, 587155, 822017, 1174310, 1644034, 2348620, 3288068, 4110085, 8220170, 16440340]

約数ペア:

[(1, 16440340), (2, 8220170), (4, 4110085), (5, 3288068), (7, 2348620), (10, 1644034), (14, 1174310), (20, 822017), (28, 587155), (35, 469724), (70, 234862), (140, 117431)]