81794000

素因数分解:

$2^4\times 5^3\times {\mathrm{40897}}^1$

素因数の和:40920

約数の個数: 40

約数和(自身を含む): 197782728

約数和(自身を除く): 115988728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40897, 81794, 163588, 204485, 327176, 408970, 654352, 817940, 1022425, 1635880, 2044850, 3271760, 4089700, 5112125, 8179400, 10224250, 16358800, 20448500, 40897000, 81794000]

約数ペア:

[(1, 81794000), (2, 40897000), (4, 20448500), (5, 16358800), (8, 10224250), (10, 8179400), (16, 5112125), (20, 4089700), (25, 3271760), (40, 2044850), (50, 1635880), (80, 1022425), (100, 817940), (125, 654352), (200, 408970), (250, 327176), (400, 204485), (500, 163588), (1000, 81794), (2000, 40897)]