9907000

素因数分解:

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

素因数の和:9928

約数の個数: 32

約数和(自身を含む): 23184720

約数和(自身を除く): 13277720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 9907, 19814, 39628, 49535, 79256, 99070, 198140, 247675, 396280, 495350, 990700, 1238375, 1981400, 2476750, 4953500, 9907000]

約数ペア:

[(1, 9907000), (2, 4953500), (4, 2476750), (5, 1981400), (8, 1238375), (10, 990700), (20, 495350), (25, 396280), (40, 247675), (50, 198140), (100, 99070), (125, 79256), (200, 49535), (250, 39628), (500, 19814), (1000, 9907)]