51878020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10093}}^1$

素因数の和:10359

約数の個数: 24

約数和(自身を含む): 109378584

約数和(自身を除く): 57500564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 10093, 20186, 40372, 50465, 100930, 201860, 2593901, 5187802, 10375604, 12969505, 25939010, 51878020]

約数ペア:

[(1, 51878020), (2, 25939010), (4, 12969505), (5, 10375604), (10, 5187802), (20, 2593901), (257, 201860), (514, 100930), (1028, 50465), (1285, 40372), (2570, 20186), (5140, 10093)]