79480000

素因数分解:

$2^6\times 5^4\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 70

約数和(自身を含む): 197183756

約数和(自身を除く): 117703756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 1987, 2000, 2500, 3974, 4000, 5000, 7948, 8000, 9935, 10000, 15896, 19870, 20000, 31792, 39740, 40000, 49675, 63584, 79480, 99350, 127168, 158960, 198700, 248375, 317920, 397400, 496750, 635840, 794800, 993500, 1241875, 1589600, 1987000, 2483750, 3179200, 3974000, 4967500, 7948000, 9935000, 15896000, 19870000, 39740000, 79480000]

約数ペア:

[(1, 79480000), (2, 39740000), (4, 19870000), (5, 15896000), (8, 9935000), (10, 7948000), (16, 4967500), (20, 3974000), (25, 3179200), (32, 2483750), (40, 1987000), (50, 1589600), (64, 1241875), (80, 993500), (100, 794800), (125, 635840), (160, 496750), (200, 397400), (250, 317920), (320, 248375), (400, 198700), (500, 158960), (625, 127168), (800, 99350), (1000, 79480), (1250, 63584), (1600, 49675), (1987, 40000), (2000, 39740), (2500, 31792), (3974, 20000), (4000, 19870), (5000, 15896), (7948, 10000), (8000, 9935)]