30805040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55009}}^1$

素因数の和:55029

約数の個数: 40

約数和(自身を含む): 81854880

約数和(自身を除く): 51049840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55009, 110018, 220036, 275045, 385063, 440072, 550090, 770126, 880144, 1100180, 1540252, 1925315, 2200360, 3080504, 3850630, 4400720, 6161008, 7701260, 15402520, 30805040]

約数ペア:

[(1, 30805040), (2, 15402520), (4, 7701260), (5, 6161008), (7, 4400720), (8, 3850630), (10, 3080504), (14, 2200360), (16, 1925315), (20, 1540252), (28, 1100180), (35, 880144), (40, 770126), (56, 550090), (70, 440072), (80, 385063), (112, 275045), (140, 220036), (280, 110018), (560, 55009)]