51891560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{185327}}^1$

素因数の和:185345

約数の個数: 32

約数和(自身を含む): 133436160

約数和(自身を除く): 81544600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 185327, 370654, 741308, 926635, 1297289, 1482616, 1853270, 2594578, 3706540, 5189156, 6486445, 7413080, 10378312, 12972890, 25945780, 51891560]

約数ペア:

[(1, 51891560), (2, 25945780), (4, 12972890), (5, 10378312), (7, 7413080), (8, 6486445), (10, 5189156), (14, 3706540), (20, 2594578), (28, 1853270), (35, 1482616), (40, 1297289), (56, 926635), (70, 741308), (140, 370654), (280, 185327)]