54161200

素因数分解:

$2^4\times 5^2\times {\mathrm{135403}}^1$

素因数の和:135421

約数の個数: 30

約数和(自身を含む): 130123244

約数和(自身を除く): 75962044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 135403, 270806, 541612, 677015, 1083224, 1354030, 2166448, 2708060, 3385075, 5416120, 6770150, 10832240, 13540300, 27080600, 54161200]

約数ペア:

[(1, 54161200), (2, 27080600), (4, 13540300), (5, 10832240), (8, 6770150), (10, 5416120), (16, 3385075), (20, 2708060), (25, 2166448), (40, 1354030), (50, 1083224), (80, 677015), (100, 541612), (200, 270806), (400, 135403)]