82272880

素因数分解:

$2^4\times 5^1\times {\mathrm{1028411}}^1$

素因数の和:1028424

約数の個数: 20

約数和(自身を含む): 191284632

約数和(自身を除く): 109011752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1028411, 2056822, 4113644, 5142055, 8227288, 10284110, 16454576, 20568220, 41136440, 82272880]

約数ペア:

[(1, 82272880), (2, 41136440), (4, 20568220), (5, 16454576), (8, 10284110), (10, 8227288), (16, 5142055), (20, 4113644), (40, 2056822), (80, 1028411)]