31870880

素因数分解:

$2^5\times 5^1\times {\mathrm{199193}}^1$

素因数の和:199208

約数の個数: 24

約数和(自身を含む): 75295332

約数和(自身を除く): 43424452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199193, 398386, 796772, 995965, 1593544, 1991930, 3187088, 3983860, 6374176, 7967720, 15935440, 31870880]

約数ペア:

[(1, 31870880), (2, 15935440), (4, 7967720), (5, 6374176), (8, 3983860), (10, 3187088), (16, 1991930), (20, 1593544), (32, 995965), (40, 796772), (80, 398386), (160, 199193)]