55721440

素因数分解:

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

素因数の和:348274

約数の個数: 24

約数和(自身を含む): 131642280

約数和(自身を除く): 75920840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 348259, 696518, 1393036, 1741295, 2786072, 3482590, 5572144, 6965180, 11144288, 13930360, 27860720, 55721440]

約数ペア:

[(1, 55721440), (2, 27860720), (4, 13930360), (5, 11144288), (8, 6965180), (10, 5572144), (16, 3482590), (20, 2786072), (32, 1741295), (40, 1393036), (80, 696518), (160, 348259)]