27860720

素因数分解:

$2^4\times 5^1\times {\mathrm{348259}}^1$

素因数の和:348272

約数の個数: 20

約数和(自身を含む): 64776360

約数和(自身を除く): 36915640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348259, 696518, 1393036, 1741295, 2786072, 3482590, 5572144, 6965180, 13930360, 27860720]

約数ペア:

[(1, 27860720), (2, 13930360), (4, 6965180), (5, 5572144), (8, 3482590), (10, 2786072), (16, 1741295), (20, 1393036), (40, 696518), (80, 348259)]