128431000

素因数分解:

$2^3\times 5^3\times {\mathrm{128431}}^1$

素因数の和:128452

約数の個数: 32

約数和(自身を含む): 300530880

約数和(自身を除く): 172099880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 128431, 256862, 513724, 642155, 1027448, 1284310, 2568620, 3210775, 5137240, 6421550, 12843100, 16053875, 25686200, 32107750, 64215500, 128431000]

約数ペア:

[(1, 128431000), (2, 64215500), (4, 32107750), (5, 25686200), (8, 16053875), (10, 12843100), (20, 6421550), (25, 5137240), (40, 3210775), (50, 2568620), (100, 1284310), (125, 1027448), (200, 642155), (250, 513724), (500, 256862), (1000, 128431)]