12719600

素因数分解:

$2^4\times 5^2\times {\mathrm{31799}}^1$

素因数の和:31817

約数の個数: 30

約数和(自身を含む): 30559800

約数和(自身を除く): 17840200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31799, 63598, 127196, 158995, 254392, 317990, 508784, 635980, 794975, 1271960, 1589950, 2543920, 3179900, 6359800, 12719600]

約数ペア:

[(1, 12719600), (2, 6359800), (4, 3179900), (5, 2543920), (8, 1589950), (10, 1271960), (16, 794975), (20, 635980), (25, 508784), (40, 317990), (50, 254392), (80, 158995), (100, 127196), (200, 63598), (400, 31799)]