51332440

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3299}}^1$

素因数の和:3699

約数の個数: 32

約数和(自身を含む): 115830000

約数和(自身を除く): 64497560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3299, 3890, 6598, 7780, 13196, 15560, 16495, 26392, 32990, 65980, 131960, 1283311, 2566622, 5133244, 6416555, 10266488, 12833110, 25666220, 51332440]

約数ペア:

[(1, 51332440), (2, 25666220), (4, 12833110), (5, 10266488), (8, 6416555), (10, 5133244), (20, 2566622), (40, 1283311), (389, 131960), (778, 65980), (1556, 32990), (1945, 26392), (3112, 16495), (3299, 15560), (3890, 13196), (6598, 7780)]