22016373040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{707467}}^1$

素因数の和:707869

約数の個数: 40

約数和(自身を含む): 51319728720

約数和(自身を除く): 29303355680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 707467, 1414934, 2829868, 3537335, 5659736, 7074670, 11319472, 14149340, 28298680, 56597360, 275204663, 550409326, 1100818652, 1376023315, 2201637304, 2752046630, 4403274608, 5504093260, 11008186520, 22016373040]

約数ペア:

[(1, 22016373040), (2, 11008186520), (4, 5504093260), (5, 4403274608), (8, 2752046630), (10, 2201637304), (16, 1376023315), (20, 1100818652), (40, 550409326), (80, 275204663), (389, 56597360), (778, 28298680), (1556, 14149340), (1945, 11319472), (3112, 7074670), (3890, 5659736), (6224, 3537335), (7780, 2829868), (15560, 1414934), (31120, 707467)]