8680550

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1400

約数の個数: 24

約数和(自身を含む): 16275000

約数和(自身を除く): 7594450

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1249, 1390, 2498, 3475, 6245, 6950, 12490, 31225, 62450, 173611, 347222, 868055, 1736110, 4340275, 8680550]

約数ペア:

[(1, 8680550), (2, 4340275), (5, 1736110), (10, 868055), (25, 347222), (50, 173611), (139, 62450), (278, 31225), (695, 12490), (1249, 6950), (1390, 6245), (2498, 3475)]