1276132040

素因数分解:

$2^3\times 5^1\times {\mathrm{31903301}}^1$

素因数の和:31903312

約数の個数: 16

約数和(自身を含む): 2871297180

約数和(自身を除く): 1595165140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31903301, 63806602, 127613204, 159516505, 255226408, 319033010, 638066020, 1276132040]

約数ペア:

[(1, 1276132040), (2, 638066020), (4, 319033010), (5, 255226408), (8, 159516505), (10, 127613204), (20, 63806602), (40, 31903301)]