1098320

素因数分解:

$2^4\times 5^1\times {\mathrm{13729}}^1$

素因数の和:13742

約数の個数: 20

約数和(自身を含む): 2553780

約数和(自身を除く): 1455460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13729, 27458, 54916, 68645, 109832, 137290, 219664, 274580, 549160, 1098320]

約数ペア:

[(1, 1098320), (2, 549160), (4, 274580), (5, 219664), (8, 137290), (10, 109832), (16, 68645), (20, 54916), (40, 27458), (80, 13729)]