28297550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{6359}}^1$

素因数の和:6460

約数の個数: 24

約数和(自身を含む): 53233200

約数和(自身を除く): 24935650

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 6359, 12718, 31795, 63590, 158975, 317950, 565951, 1131902, 2829755, 5659510, 14148775, 28297550]

約数ペア:

[(1, 28297550), (2, 14148775), (5, 5659510), (10, 2829755), (25, 1131902), (50, 565951), (89, 317950), (178, 158975), (445, 63590), (890, 31795), (2225, 12718), (4450, 6359)]