2550778900

素因数分解:

$2^2\times 5^2\times {\mathrm{25507789}}^1$

素因数の和:25507803

約数の個数: 18

約数和(自身を含む): 5535190430

約数和(自身を除く): 2984411530

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 25507789, 51015578, 102031156, 127538945, 255077890, 510155780, 637694725, 1275389450, 2550778900]

約数ペア:

[(1, 2550778900), (2, 1275389450), (4, 637694725), (5, 510155780), (10, 255077890), (20, 127538945), (25, 102031156), (50, 51015578), (100, 25507789)]