128213650

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{54559}}^1$

素因数の和:54618

約数の個数: 24

約数和(自身を含む): 243555840

約数和(自身を除く): 115342190

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 54559, 109118, 272795, 545590, 1363975, 2564273, 2727950, 5128546, 12821365, 25642730, 64106825, 128213650]

約数ペア:

[(1, 128213650), (2, 64106825), (5, 25642730), (10, 12821365), (25, 5128546), (47, 2727950), (50, 2564273), (94, 1363975), (235, 545590), (470, 272795), (1175, 109118), (2350, 54559)]