51286520

素因数分解:

$2^3\times 5^1\times {\mathrm{1282163}}^1$

素因数の和:1282174

約数の個数: 16

約数和(自身を含む): 115394760

約数和(自身を除く): 64108240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1282163, 2564326, 5128652, 6410815, 10257304, 12821630, 25643260, 51286520]

約数ペア:

[(1, 51286520), (2, 25643260), (4, 12821630), (5, 10257304), (8, 6410815), (10, 5128652), (20, 2564326), (40, 1282163)]