31792000

素因数分解:

$2^7\times 5^3\times {\mathrm{1987}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 79082640

約数和(自身を除く): 47290640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 1987, 2000, 3200, 3974, 4000, 7948, 8000, 9935, 15896, 16000, 19870, 31792, 39740, 49675, 63584, 79480, 99350, 127168, 158960, 198700, 248375, 254336, 317920, 397400, 496750, 635840, 794800, 993500, 1271680, 1589600, 1987000, 3179200, 3974000, 6358400, 7948000, 15896000, 31792000]

約数ペア:

[(1, 31792000), (2, 15896000), (4, 7948000), (5, 6358400), (8, 3974000), (10, 3179200), (16, 1987000), (20, 1589600), (25, 1271680), (32, 993500), (40, 794800), (50, 635840), (64, 496750), (80, 397400), (100, 317920), (125, 254336), (128, 248375), (160, 198700), (200, 158960), (250, 127168), (320, 99350), (400, 79480), (500, 63584), (640, 49675), (800, 39740), (1000, 31792), (1600, 19870), (1987, 16000), (2000, 15896), (3200, 9935), (3974, 8000), (4000, 7948)]