251855920

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{20849}}^1$

素因数の和:21013

約数の個数: 40

約数和(自身を含む): 589471200

約数和(自身を除く): 337615280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 20849, 41698, 83396, 104245, 166792, 208490, 333584, 416980, 833960, 1667920, 3148199, 6296398, 12592796, 15740995, 25185592, 31481990, 50371184, 62963980, 125927960, 251855920]

約数ペア:

[(1, 251855920), (2, 125927960), (4, 62963980), (5, 50371184), (8, 31481990), (10, 25185592), (16, 15740995), (20, 12592796), (40, 6296398), (80, 3148199), (151, 1667920), (302, 833960), (604, 416980), (755, 333584), (1208, 208490), (1510, 166792), (2416, 104245), (3020, 83396), (6040, 41698), (12080, 20849)]