11540720

素因数分解:

$2^4\times 5^1\times {\mathrm{144259}}^1$

素因数の和:144272

約数の個数: 20

約数和(自身を含む): 26832360

約数和(自身を除く): 15291640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 144259, 288518, 577036, 721295, 1154072, 1442590, 2308144, 2885180, 5770360, 11540720]

約数ペア:

[(1, 11540720), (2, 5770360), (4, 2885180), (5, 2308144), (8, 1442590), (10, 1154072), (16, 721295), (20, 577036), (40, 288518), (80, 144259)]