126278840

素因数分解:

$2^3\times 5^1\times {\mathrm{3156971}}^1$

素因数の和:3156982

約数の個数: 16

約数和(自身を含む): 284127480

約数和(自身を除く): 157848640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3156971, 6313942, 12627884, 15784855, 25255768, 31569710, 63139420, 126278840]

約数ペア:

[(1, 126278840), (2, 63139420), (4, 31569710), (5, 25255768), (8, 15784855), (10, 12627884), (20, 6313942), (40, 3156971)]