25318000

素因数分解:

$2^4\times 5^3\times {\mathrm{12659}}^1$

素因数の和:12682

約数の個数: 40

約数和(自身を含む): 61223760

約数和(自身を除く): 35905760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12659, 25318, 50636, 63295, 101272, 126590, 202544, 253180, 316475, 506360, 632950, 1012720, 1265900, 1582375, 2531800, 3164750, 5063600, 6329500, 12659000, 25318000]

約数ペア:

[(1, 25318000), (2, 12659000), (4, 6329500), (5, 5063600), (8, 3164750), (10, 2531800), (16, 1582375), (20, 1265900), (25, 1012720), (40, 632950), (50, 506360), (80, 316475), (100, 253180), (125, 202544), (200, 126590), (250, 101272), (400, 63295), (500, 50636), (1000, 25318), (2000, 12659)]