804965080

素因数分解:

$2^3\times 5^1\times {\mathrm{20124127}}^1$

素因数の和:20124138

約数の個数: 16

約数和(自身を含む): 1811171520

約数和(自身を除く): 1006206440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20124127, 40248254, 80496508, 100620635, 160993016, 201241270, 402482540, 804965080]

約数ペア:

[(1, 804965080), (2, 402482540), (4, 201241270), (5, 160993016), (8, 100620635), (10, 80496508), (20, 40248254), (40, 20124127)]