25985750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 57507840

約数和(自身を除く): 31522090

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 250, 310, 350, 434, 479, 775, 875, 958, 1085, 1550, 1750, 2170, 2395, 3353, 3875, 4790, 5425, 6706, 7750, 10850, 11975, 14849, 16765, 23950, 27125, 29698, 33530, 54250, 59875, 74245, 83825, 103943, 119750, 148490, 167650, 207886, 371225, 419125, 519715, 742450, 838250, 1039430, 1856125, 2598575, 3712250, 5197150, 12992875, 25985750]

約数ペア:

[(1, 25985750), (2, 12992875), (5, 5197150), (7, 3712250), (10, 2598575), (14, 1856125), (25, 1039430), (31, 838250), (35, 742450), (50, 519715), (62, 419125), (70, 371225), (125, 207886), (155, 167650), (175, 148490), (217, 119750), (250, 103943), (310, 83825), (350, 74245), (434, 59875), (479, 54250), (775, 33530), (875, 29698), (958, 27125), (1085, 23950), (1550, 16765), (1750, 14849), (2170, 11975), (2395, 10850), (3353, 7750), (3875, 6706), (4790, 5425)]