264005200

素因数分解:

$2^4\times 5^2\times {\mathrm{660013}}^1$

素因数の和:660031

約数の個数: 30

約数和(自身を含む): 634273454

約数和(自身を除く): 370268254

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 660013, 1320026, 2640052, 3300065, 5280104, 6600130, 10560208, 13200260, 16500325, 26400520, 33000650, 52801040, 66001300, 132002600, 264005200]

約数ペア:

[(1, 264005200), (2, 132002600), (4, 66001300), (5, 52801040), (8, 33000650), (10, 26400520), (16, 16500325), (20, 13200260), (25, 10560208), (40, 6600130), (50, 5280104), (80, 3300065), (100, 2640052), (200, 1320026), (400, 660013)]