2021644000

素因数分解:

$2^5\times 5^3\times {\mathrm{505411}}^1$

素因数の和:505436

約数の個数: 48

約数和(自身を含む): 4967189136

約数和(自身を除く): 2945545136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 505411, 1010822, 2021644, 2527055, 4043288, 5054110, 8086576, 10108220, 12635275, 16173152, 20216440, 25270550, 40432880, 50541100, 63176375, 80865760, 101082200, 126352750, 202164400, 252705500, 404328800, 505411000, 1010822000, 2021644000]

約数ペア:

[(1, 2021644000), (2, 1010822000), (4, 505411000), (5, 404328800), (8, 252705500), (10, 202164400), (16, 126352750), (20, 101082200), (25, 80865760), (32, 63176375), (40, 50541100), (50, 40432880), (80, 25270550), (100, 20216440), (125, 16173152), (160, 12635275), (200, 10108220), (250, 8086576), (400, 5054110), (500, 4043288), (800, 2527055), (1000, 2021644), (2000, 1010822), (4000, 505411)]