2019982000

素因数分解:

$2^4\times 5^3\times {\mathrm{1009991}}^1$

素因数の和:1010014

約数の個数: 40

約数和(自身を含む): 4884321312

約数和(自身を除く): 2864339312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 1009991, 2019982, 4039964, 5049955, 8079928, 10099910, 16159856, 20199820, 25249775, 40399640, 50499550, 80799280, 100999100, 126248875, 201998200, 252497750, 403996400, 504995500, 1009991000, 2019982000]

約数ペア:

[(1, 2019982000), (2, 1009991000), (4, 504995500), (5, 403996400), (8, 252497750), (10, 201998200), (16, 126248875), (20, 100999100), (25, 80799280), (40, 50499550), (50, 40399640), (80, 25249775), (100, 20199820), (125, 16159856), (200, 10099910), (250, 8079928), (400, 5049955), (500, 4039964), (1000, 2019982), (2000, 1009991)]