9902000

素因数分解:

$2^4\times 5^3\times {\mathrm{4951}}^1$

素因数の和:4974

約数の個数: 40

約数和(自身を含む): 23947872

約数和(自身を除く): 14045872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4951, 9902, 19804, 24755, 39608, 49510, 79216, 99020, 123775, 198040, 247550, 396080, 495100, 618875, 990200, 1237750, 1980400, 2475500, 4951000, 9902000]

約数ペア:

[(1, 9902000), (2, 4951000), (4, 2475500), (5, 1980400), (8, 1237750), (10, 990200), (16, 618875), (20, 495100), (25, 396080), (40, 247550), (50, 198040), (80, 123775), (100, 99020), (125, 79216), (200, 49510), (250, 39608), (400, 24755), (500, 19804), (1000, 9902), (2000, 4951)]