2215572280

素因数分解:

$2^3\times 5^1\times {\mathrm{55389307}}^1$

素因数の和:55389318

約数の個数: 16

約数和(自身を含む): 4985037720

約数和(自身を除く): 2769465440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55389307, 110778614, 221557228, 276946535, 443114456, 553893070, 1107786140, 2215572280]

約数ペア:

[(1, 2215572280), (2, 1107786140), (4, 553893070), (5, 443114456), (8, 276946535), (10, 221557228), (20, 110778614), (40, 55389307)]