8458000

素因数分解:

$2^4\times 5^3\times {\mathrm{4229}}^1$

素因数の和:4252

約数の個数: 40

約数和(自身を含む): 20456280

約数和(自身を除く): 11998280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4229, 8458, 16916, 21145, 33832, 42290, 67664, 84580, 105725, 169160, 211450, 338320, 422900, 528625, 845800, 1057250, 1691600, 2114500, 4229000, 8458000]

約数ペア:

[(1, 8458000), (2, 4229000), (4, 2114500), (5, 1691600), (8, 1057250), (10, 845800), (16, 528625), (20, 422900), (25, 338320), (40, 211450), (50, 169160), (80, 105725), (100, 84580), (125, 67664), (200, 42290), (250, 33832), (400, 21145), (500, 16916), (1000, 8458), (2000, 4229)]