12947600

素因数分解:

$2^4\times 5^2\times {\mathrm{32369}}^1$

素因数の和:32387

約数の個数: 30

約数和(自身を含む): 31107570

約数和(自身を除く): 18159970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32369, 64738, 129476, 161845, 258952, 323690, 517904, 647380, 809225, 1294760, 1618450, 2589520, 3236900, 6473800, 12947600]

約数ペア:

[(1, 12947600), (2, 6473800), (4, 3236900), (5, 2589520), (8, 1618450), (10, 1294760), (16, 809225), (20, 647380), (25, 517904), (40, 323690), (50, 258952), (80, 161845), (100, 129476), (200, 64738), (400, 32369)]