81952880

素因数分解:

$2^4\times 5^1\times {\mathrm{1024411}}^1$

素因数の和:1024424

約数の個数: 20

約数和(自身を含む): 190540632

約数和(自身を除く): 108587752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1024411, 2048822, 4097644, 5122055, 8195288, 10244110, 16390576, 20488220, 40976440, 81952880]

約数ペア:

[(1, 81952880), (2, 40976440), (4, 20488220), (5, 16390576), (8, 10244110), (10, 8195288), (16, 5122055), (20, 4097644), (40, 2048822), (80, 1024411)]