51455240

素因数分解:

$2^3\times 5^1\times {\mathrm{1286381}}^1$

素因数の和:1286392

約数の個数: 16

約数和(自身を含む): 115774380

約数和(自身を除く): 64319140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1286381, 2572762, 5145524, 6431905, 10291048, 12863810, 25727620, 51455240]

約数ペア:

[(1, 51455240), (2, 25727620), (4, 12863810), (5, 10291048), (8, 6431905), (10, 5145524), (20, 2572762), (40, 1286381)]