15402520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55009}}^1$

素因数の和:55027

約数の個数: 32

約数和(自身を含む): 39607200

約数和(自身を除く): 24204680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55009, 110018, 220036, 275045, 385063, 440072, 550090, 770126, 1100180, 1540252, 1925315, 2200360, 3080504, 3850630, 7701260, 15402520]

約数ペア:

[(1, 15402520), (2, 7701260), (4, 3850630), (5, 3080504), (7, 2200360), (8, 1925315), (10, 1540252), (14, 1100180), (20, 770126), (28, 550090), (35, 440072), (40, 385063), (56, 275045), (70, 220036), (140, 110018), (280, 55009)]