85728080

素因数分解:

$2^4\times 5^1\times {\mathrm{1071601}}^1$

素因数の和:1071614

約数の個数: 20

約数和(自身を含む): 199317972

約数和(自身を除く): 113589892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071601, 2143202, 4286404, 5358005, 8572808, 10716010, 17145616, 21432020, 42864040, 85728080]

約数ペア:

[(1, 85728080), (2, 42864040), (4, 21432020), (5, 17145616), (8, 10716010), (10, 8572808), (16, 5358005), (20, 4286404), (40, 2143202), (80, 1071601)]