51136040

素因数分解:

$2^3\times 5^1\times {\mathrm{1278401}}^1$

素因数の和:1278412

約数の個数: 16

約数和(自身を含む): 115056180

約数和(自身を除く): 63920140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1278401, 2556802, 5113604, 6392005, 10227208, 12784010, 25568020, 51136040]

約数ペア:

[(1, 51136040), (2, 25568020), (4, 12784010), (5, 10227208), (8, 6392005), (10, 5113604), (20, 2556802), (40, 1278401)]