51861880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{185221}}^1$

素因数の和:185239

約数の個数: 32

約数和(自身を含む): 133359840

約数和(自身を除く): 81497960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 185221, 370442, 740884, 926105, 1296547, 1481768, 1852210, 2593094, 3704420, 5186188, 6482735, 7408840, 10372376, 12965470, 25930940, 51861880]

約数ペア:

[(1, 51861880), (2, 25930940), (4, 12965470), (5, 10372376), (7, 7408840), (8, 6482735), (10, 5186188), (14, 3704420), (20, 2593094), (28, 1852210), (35, 1481768), (40, 1296547), (56, 926105), (70, 740884), (140, 370442), (280, 185221)]