5200786520

素因数分解:

$2^3\times 5^1\times {\mathrm{130019663}}^1$

素因数の和:130019674

約数の個数: 16

約数和(自身を含む): 11701769760

約数和(自身を除く): 6500983240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 130019663, 260039326, 520078652, 650098315, 1040157304, 1300196630, 2600393260, 5200786520]

約数ペア:

[(1, 5200786520), (2, 2600393260), (4, 1300196630), (5, 1040157304), (8, 650098315), (10, 520078652), (20, 260039326), (40, 130019663)]