870828880

素因数分解:

$2^4\times 5^1\times {\mathrm{10885361}}^1$

素因数の和:10885374

約数の個数: 20

約数和(自身を含む): 2024677332

約数和(自身を除く): 1153848452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10885361, 21770722, 43541444, 54426805, 87082888, 108853610, 174165776, 217707220, 435414440, 870828880]

約数ペア:

[(1, 870828880), (2, 435414440), (4, 217707220), (5, 174165776), (8, 108853610), (10, 87082888), (16, 54426805), (20, 43541444), (40, 21770722), (80, 10885361)]