439990480

素因数分解:

$2^4\times 5^1\times {\mathrm{5499881}}^1$

素因数の和:5499894

約数の個数: 20

約数和(自身を含む): 1022978052

約数和(自身を除く): 582987572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5499881, 10999762, 21999524, 27499405, 43999048, 54998810, 87998096, 109997620, 219995240, 439990480]

約数ペア:

[(1, 439990480), (2, 219995240), (4, 109997620), (5, 87998096), (8, 54998810), (10, 43999048), (16, 27499405), (20, 21999524), (40, 10999762), (80, 5499881)]