54545000

素因数分解:

$2^3\times 5^4\times {\mathrm{10909}}^1$

素因数の和:10935

約数の個数: 40

約数和(自身を含む): 127810650

約数和(自身を除く): 73265650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 10909, 21818, 43636, 54545, 87272, 109090, 218180, 272725, 436360, 545450, 1090900, 1363625, 2181800, 2727250, 5454500, 6818125, 10909000, 13636250, 27272500, 54545000]

約数ペア:

[(1, 54545000), (2, 27272500), (4, 13636250), (5, 10909000), (8, 6818125), (10, 5454500), (20, 2727250), (25, 2181800), (40, 1363625), (50, 1090900), (100, 545450), (125, 436360), (200, 272725), (250, 218180), (500, 109090), (625, 87272), (1000, 54545), (1250, 43636), (2500, 21818), (5000, 10909)]