81682000

素因数分解:

$2^4\times 5^3\times {\mathrm{40841}}^1$

素因数の和:40864

約数の個数: 40

約数和(自身を含む): 197511912

約数和(自身を除く): 115829912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40841, 81682, 163364, 204205, 326728, 408410, 653456, 816820, 1021025, 1633640, 2042050, 3267280, 4084100, 5105125, 8168200, 10210250, 16336400, 20420500, 40841000, 81682000]

約数ペア:

[(1, 81682000), (2, 40841000), (4, 20420500), (5, 16336400), (8, 10210250), (10, 8168200), (16, 5105125), (20, 4084100), (25, 3267280), (40, 2042050), (50, 1633640), (80, 1021025), (100, 816820), (125, 653456), (200, 408410), (250, 326728), (400, 204205), (500, 163364), (1000, 81682), (2000, 40841)]