88720

素因数分解:

$2^4\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1122

約数の個数: 20

約数和(自身を含む): 206460

約数和(自身を除く): 117740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 44360, 88720]

約数ペア:

[(1, 88720), (2, 44360), (4, 22180), (5, 17744), (8, 11090), (10, 8872), (16, 5545), (20, 4436), (40, 2218), (80, 1109)]