82120000

素因数分解:

$2^6\times 5^4\times {\mathrm{2053}}^1$

素因数の和:2085

約数の個数: 70

約数和(自身を含む): 203730098

約数和(自身を除く): 121610098

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, 2000, 2053, 2500, 4000, 4106, 5000, 8000, 8212, 10000, 10265, 16424, 20000, 20530, 32848, 40000, 41060, 51325, 65696, 82120, 102650, 131392, 164240, 205300, 256625, 328480, 410600, 513250, 656960, 821200, 1026500, 1283125, 1642400, 2053000, 2566250, 3284800, 4106000, 5132500, 8212000, 10265000, 16424000, 20530000, 41060000, 82120000]

約数ペア:

[(1, 82120000), (2, 41060000), (4, 20530000), (5, 16424000), (8, 10265000), (10, 8212000), (16, 5132500), (20, 4106000), (25, 3284800), (32, 2566250), (40, 2053000), (50, 1642400), (64, 1283125), (80, 1026500), (100, 821200), (125, 656960), (160, 513250), (200, 410600), (250, 328480), (320, 256625), (400, 205300), (500, 164240), (625, 131392), (800, 102650), (1000, 82120), (1250, 65696), (1600, 51325), (2000, 41060), (2053, 40000), (2500, 32848), (4000, 20530), (4106, 20000), (5000, 16424), (8000, 10265), (8212, 10000)]