85628000

素因数分解:

$2^5\times 5^3\times {\mathrm{21407}}^1$

素因数の和:21432

約数の個数: 48

約数和(自身を含む): 210397824

約数和(自身を除く): 124769824

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, 2000, 4000, 21407, 42814, 85628, 107035, 171256, 214070, 342512, 428140, 535175, 685024, 856280, 1070350, 1712560, 2140700, 2675875, 3425120, 4281400, 5351750, 8562800, 10703500, 17125600, 21407000, 42814000, 85628000]

約数ペア:

[(1, 85628000), (2, 42814000), (4, 21407000), (5, 17125600), (8, 10703500), (10, 8562800), (16, 5351750), (20, 4281400), (25, 3425120), (32, 2675875), (40, 2140700), (50, 1712560), (80, 1070350), (100, 856280), (125, 685024), (160, 535175), (200, 428140), (250, 342512), (400, 214070), (500, 171256), (800, 107035), (1000, 85628), (2000, 42814), (4000, 21407)]