1282105900

素因数分解:

$2^2\times 5^2\times {\mathrm{12821059}}^1$

素因数の和:12821073

約数の個数: 18

約数和(自身を含む): 2782170020

約数和(自身を除く): 1500064120

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12821059, 25642118, 51284236, 64105295, 128210590, 256421180, 320526475, 641052950, 1282105900]

約数ペア:

[(1, 1282105900), (2, 641052950), (4, 320526475), (5, 256421180), (10, 128210590), (20, 64105295), (25, 51284236), (50, 25642118), (100, 12821059)]