12946000

素因数分解:

$2^4\times 5^3\times {\mathrm{6473}}^1$

素因数の和:6496

約数の個数: 40

約数和(自身を含む): 31308264

約数和(自身を除く): 18362264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6473, 12946, 25892, 32365, 51784, 64730, 103568, 129460, 161825, 258920, 323650, 517840, 647300, 809125, 1294600, 1618250, 2589200, 3236500, 6473000, 12946000]

約数ペア:

[(1, 12946000), (2, 6473000), (4, 3236500), (5, 2589200), (8, 1618250), (10, 1294600), (16, 809125), (20, 647300), (25, 517840), (40, 323650), (50, 258920), (80, 161825), (100, 129460), (125, 103568), (200, 64730), (250, 51784), (400, 32365), (500, 25892), (1000, 12946), (2000, 6473)]