39628000

素因数分解:

$2^5\times 5^3\times {\mathrm{9907}}^1$

素因数の和:9932

約数の個数: 48

約数和(自身を含む): 97375824

約数和(自身を除く): 57747824

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, 9907, 19814, 39628, 49535, 79256, 99070, 158512, 198140, 247675, 317024, 396280, 495350, 792560, 990700, 1238375, 1585120, 1981400, 2476750, 3962800, 4953500, 7925600, 9907000, 19814000, 39628000]

約数ペア:

[(1, 39628000), (2, 19814000), (4, 9907000), (5, 7925600), (8, 4953500), (10, 3962800), (16, 2476750), (20, 1981400), (25, 1585120), (32, 1238375), (40, 990700), (50, 792560), (80, 495350), (100, 396280), (125, 317024), (160, 247675), (200, 198140), (250, 158512), (400, 99070), (500, 79256), (800, 49535), (1000, 39628), (2000, 19814), (4000, 9907)]