24988000

素因数分解:

$2^5\times 5^3\times {\mathrm{6247}}^1$

素因数の和:6272

約数の個数: 48

約数和(自身を含む): 61405344

約数和(自身を除く): 36417344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 6247, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 156175, 199904, 249880, 312350, 499760, 624700, 780875, 999520, 1249400, 1561750, 2498800, 3123500, 4997600, 6247000, 12494000, 24988000]

約数ペア:

[(1, 24988000), (2, 12494000), (4, 6247000), (5, 4997600), (8, 3123500), (10, 2498800), (16, 1561750), (20, 1249400), (25, 999520), (32, 780875), (40, 624700), (50, 499760), (80, 312350), (100, 249880), (125, 199904), (160, 156175), (200, 124940), (250, 99952), (400, 62470), (500, 49976), (800, 31235), (1000, 24988), (2000, 12494), (4000, 6247)]