80486960

素因数分解:

$2^4\times 5^1\times {\mathrm{1006087}}^1$

素因数の和:1006100

約数の個数: 20

約数和(自身を含む): 187132368

約数和(自身を除く): 106645408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006087, 2012174, 4024348, 5030435, 8048696, 10060870, 16097392, 20121740, 40243480, 80486960]

約数ペア:

[(1, 80486960), (2, 40243480), (4, 20121740), (5, 16097392), (8, 10060870), (10, 8048696), (16, 5030435), (20, 4024348), (40, 2012174), (80, 1006087)]