78019600

素因数分解:

$2^4\times 5^2\times {\mathrm{195049}}^1$

素因数の和:195067

約数の個数: 30

約数和(自身を含む): 187443050

約数和(自身を除く): 109423450

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 195049, 390098, 780196, 975245, 1560392, 1950490, 3120784, 3900980, 4876225, 7801960, 9752450, 15603920, 19504900, 39009800, 78019600]

約数ペア:

[(1, 78019600), (2, 39009800), (4, 19504900), (5, 15603920), (8, 9752450), (10, 7801960), (16, 4876225), (20, 3900980), (25, 3120784), (40, 1950490), (50, 1560392), (80, 975245), (100, 780196), (200, 390098), (400, 195049)]