40841440

素因数分解:

$2^5\times 5^1\times {\mathrm{255259}}^1$

素因数の和:255274

約数の個数: 24

約数和(自身を含む): 96488280

約数和(自身を除く): 55646840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 255259, 510518, 1021036, 1276295, 2042072, 2552590, 4084144, 5105180, 8168288, 10210360, 20420720, 40841440]

約数ペア:

[(1, 40841440), (2, 20420720), (4, 10210360), (5, 8168288), (8, 5105180), (10, 4084144), (16, 2552590), (20, 2042072), (32, 1276295), (40, 1021036), (80, 510518), (160, 255259)]