27881440

素因数分解:

$2^5\times 5^1\times {\mathrm{174259}}^1$

素因数の和:174274

約数の個数: 24

約数和(自身を含む): 65870280

約数和(自身を除く): 37988840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 174259, 348518, 697036, 871295, 1394072, 1742590, 2788144, 3485180, 5576288, 6970360, 13940720, 27881440]

約数ペア:

[(1, 27881440), (2, 13940720), (4, 6970360), (5, 5576288), (8, 3485180), (10, 2788144), (16, 1742590), (20, 1394072), (32, 871295), (40, 697036), (80, 348518), (160, 174259)]