22019944720

素因数分解:

$2^4\times 5^1\times {\mathrm{275249309}}^1$

素因数の和:275249322

約数の個数: 20

約数和(自身を含む): 51196371660

約数和(自身を除く): 29176426940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275249309, 550498618, 1100997236, 1376246545, 2201994472, 2752493090, 4403988944, 5504986180, 11009972360, 22019944720]

約数ペア:

[(1, 22019944720), (2, 11009972360), (4, 5504986180), (5, 4403988944), (8, 2752493090), (10, 2201994472), (16, 1376246545), (20, 1100997236), (40, 550498618), (80, 275249309)]