2016995000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{9839}}^1$

素因数の和:9906

約数の個数: 80

約数和(自身を含む): 4841575200

約数和(自身を除く): 2824580200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 625, 820, 1000, 1025, 1250, 1640, 2050, 2500, 4100, 5000, 5125, 8200, 9839, 10250, 19678, 20500, 25625, 39356, 41000, 49195, 51250, 78712, 98390, 102500, 196780, 205000, 245975, 393560, 403399, 491950, 806798, 983900, 1229875, 1613596, 1967800, 2016995, 2459750, 3227192, 4033990, 4919500, 6149375, 8067980, 9839000, 10084975, 12298750, 16135960, 20169950, 24597500, 40339900, 49195000, 50424875, 80679800, 100849750, 201699500, 252124375, 403399000, 504248750, 1008497500, 2016995000]

約数ペア:

[(1, 2016995000), (2, 1008497500), (4, 504248750), (5, 403399000), (8, 252124375), (10, 201699500), (20, 100849750), (25, 80679800), (40, 50424875), (41, 49195000), (50, 40339900), (82, 24597500), (100, 20169950), (125, 16135960), (164, 12298750), (200, 10084975), (205, 9839000), (250, 8067980), (328, 6149375), (410, 4919500), (500, 4033990), (625, 3227192), (820, 2459750), (1000, 2016995), (1025, 1967800), (1250, 1613596), (1640, 1229875), (2050, 983900), (2500, 806798), (4100, 491950), (5000, 403399), (5125, 393560), (8200, 245975), (9839, 205000), (10250, 196780), (19678, 102500), (20500, 98390), (25625, 78712), (39356, 51250), (41000, 49195)]