12756880

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{881}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 29857464

約数和(自身を除く): 17100584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 881, 905, 1448, 1762, 1810, 2896, 3524, 3620, 4405, 7048, 7240, 8810, 14096, 14480, 17620, 35240, 70480, 159461, 318922, 637844, 797305, 1275688, 1594610, 2551376, 3189220, 6378440, 12756880]

約数ペア:

[(1, 12756880), (2, 6378440), (4, 3189220), (5, 2551376), (8, 1594610), (10, 1275688), (16, 797305), (20, 637844), (40, 318922), (80, 159461), (181, 70480), (362, 35240), (724, 17620), (881, 14480), (905, 14096), (1448, 8810), (1762, 7240), (1810, 7048), (2896, 4405), (3524, 3620)]