1249686440

素因数分解:

$2^3\times 5^1\times {\mathrm{3187}}^1\times {\mathrm{9803}}^1$

素因数の和:13001

約数の個数: 32

約数和(自身を含む): 2812963680

約数和(自身を除く): 1563277240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3187, 6374, 9803, 12748, 15935, 19606, 25496, 31870, 39212, 49015, 63740, 78424, 98030, 127480, 196060, 392120, 31242161, 62484322, 124968644, 156210805, 249937288, 312421610, 624843220, 1249686440]

約数ペア:

[(1, 1249686440), (2, 624843220), (4, 312421610), (5, 249937288), (8, 156210805), (10, 124968644), (20, 62484322), (40, 31242161), (3187, 392120), (6374, 196060), (9803, 127480), (12748, 98030), (15935, 78424), (19606, 63740), (25496, 49015), (31870, 39212)]