7948000

素因数分解:

$2^5\times 5^3\times {\mathrm{1987}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 19538064

約数和(自身を除く): 11590064

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, 1987, 2000, 3974, 4000, 7948, 9935, 15896, 19870, 31792, 39740, 49675, 63584, 79480, 99350, 158960, 198700, 248375, 317920, 397400, 496750, 794800, 993500, 1589600, 1987000, 3974000, 7948000]

約数ペア:

[(1, 7948000), (2, 3974000), (4, 1987000), (5, 1589600), (8, 993500), (10, 794800), (16, 496750), (20, 397400), (25, 317920), (32, 248375), (40, 198700), (50, 158960), (80, 99350), (100, 79480), (125, 63584), (160, 49675), (200, 39740), (250, 31792), (400, 19870), (500, 15896), (800, 9935), (1000, 7948), (1987, 4000), (2000, 3974)]