12506800

素因数分解:

$2^4\times 5^2\times {\mathrm{31267}}^1$

素因数の和:31285

約数の個数: 30

約数和(自身を含む): 30048548

約数和(自身を除く): 17541748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31267, 62534, 125068, 156335, 250136, 312670, 500272, 625340, 781675, 1250680, 1563350, 2501360, 3126700, 6253400, 12506800]

約数ペア:

[(1, 12506800), (2, 6253400), (4, 3126700), (5, 2501360), (8, 1563350), (10, 1250680), (16, 781675), (20, 625340), (25, 500272), (40, 312670), (50, 250136), (80, 156335), (100, 125068), (200, 62534), (400, 31267)]