78486160

素因数分解:

$2^4\times 5^1\times {\mathrm{981077}}^1$

素因数の和:981090

約数の個数: 20

約数和(自身を含む): 182480508

約数和(自身を除く): 103994348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 981077, 1962154, 3924308, 4905385, 7848616, 9810770, 15697232, 19621540, 39243080, 78486160]

約数ペア:

[(1, 78486160), (2, 39243080), (4, 19621540), (5, 15697232), (8, 9810770), (10, 7848616), (16, 4905385), (20, 3924308), (40, 1962154), (80, 981077)]