82680440

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4523}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 186479280

約数和(自身を除く): 103798840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4523, 4570, 9046, 9140, 18092, 18280, 22615, 36184, 45230, 90460, 180920, 2067011, 4134022, 8268044, 10335055, 16536088, 20670110, 41340220, 82680440]

約数ペア:

[(1, 82680440), (2, 41340220), (4, 20670110), (5, 16536088), (8, 10335055), (10, 8268044), (20, 4134022), (40, 2067011), (457, 180920), (914, 90460), (1828, 45230), (2285, 36184), (3656, 22615), (4523, 18280), (4570, 18092), (9046, 9140)]