12460040

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:1913

約数の個数: 32

約数和(自身を含む): 28206360

約数和(自身を除く): 15746320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1721, 1810, 3442, 3620, 6884, 7240, 8605, 13768, 17210, 34420, 68840, 311501, 623002, 1246004, 1557505, 2492008, 3115010, 6230020, 12460040]

約数ペア:

[(1, 12460040), (2, 6230020), (4, 3115010), (5, 2492008), (8, 1557505), (10, 1246004), (20, 623002), (40, 311501), (181, 68840), (362, 34420), (724, 17210), (905, 13768), (1448, 8605), (1721, 7240), (1810, 6884), (3442, 3620)]