25515900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{28351}}^1$

素因数の和:28371

約数の個数: 54

約数和(自身を含む): 79980992

約数和(自身を除く): 54465092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 28351, 56702, 85053, 113404, 141755, 170106, 255159, 283510, 340212, 425265, 510318, 567020, 708775, 850530, 1020636, 1275795, 1417550, 1701060, 2126325, 2551590, 2835100, 4252650, 5103180, 6378975, 8505300, 12757950, 25515900]

約数ペア:

[(1, 25515900), (2, 12757950), (3, 8505300), (4, 6378975), (5, 5103180), (6, 4252650), (9, 2835100), (10, 2551590), (12, 2126325), (15, 1701060), (18, 1417550), (20, 1275795), (25, 1020636), (30, 850530), (36, 708775), (45, 567020), (50, 510318), (60, 425265), (75, 340212), (90, 283510), (100, 255159), (150, 170106), (180, 141755), (225, 113404), (300, 85053), (450, 56702), (900, 28351)]