28279700

素因数分解:

$2^2\times 5^2\times {\mathrm{282797}}^1$

素因数の和:282811

約数の個数: 18

約数和(自身を含む): 61367166

約数和(自身を除く): 33087466

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 282797, 565594, 1131188, 1413985, 2827970, 5655940, 7069925, 14139850, 28279700]

約数ペア:

[(1, 28279700), (2, 14139850), (4, 7069925), (5, 5655940), (10, 2827970), (20, 1413985), (25, 1131188), (50, 565594), (100, 282797)]