19783120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35327}}^1$

素因数の和:35347

約数の個数: 40

約数和(自身を含む): 52568064

約数和(自身を除く): 32784944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35327, 70654, 141308, 176635, 247289, 282616, 353270, 494578, 565232, 706540, 989156, 1236445, 1413080, 1978312, 2472890, 2826160, 3956624, 4945780, 9891560, 19783120]

約数ペア:

[(1, 19783120), (2, 9891560), (4, 4945780), (5, 3956624), (7, 2826160), (8, 2472890), (10, 1978312), (14, 1413080), (16, 1236445), (20, 989156), (28, 706540), (35, 565232), (40, 494578), (56, 353270), (70, 282616), (80, 247289), (112, 176635), (140, 141308), (280, 70654), (560, 35327)]