280880

素因数分解:

$2^4\times 5^1\times {\mathrm{3511}}^1$

素因数の和:3524

約数の個数: 20

約数和(自身を含む): 653232

約数和(自身を除く): 372352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3511, 7022, 14044, 17555, 28088, 35110, 56176, 70220, 140440, 280880]

約数ペア:

[(1, 280880), (2, 140440), (4, 70220), (5, 56176), (8, 35110), (10, 28088), (16, 17555), (20, 14044), (40, 7022), (80, 3511)]