71721440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64037}}^1$

素因数の和:64059

約数の個数: 48

約数和(自身を含む): 193650912

約数和(自身を除く): 121929472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64037, 128074, 256148, 320185, 448259, 512296, 640370, 896518, 1024592, 1280740, 1793036, 2049184, 2241295, 2561480, 3586072, 4482590, 5122960, 7172144, 8965180, 10245920, 14344288, 17930360, 35860720, 71721440]

約数ペア:

[(1, 71721440), (2, 35860720), (4, 17930360), (5, 14344288), (7, 10245920), (8, 8965180), (10, 7172144), (14, 5122960), (16, 4482590), (20, 3586072), (28, 2561480), (32, 2241295), (35, 2049184), (40, 1793036), (56, 1280740), (70, 1024592), (80, 896518), (112, 640370), (140, 512296), (160, 448259), (224, 320185), (280, 256148), (560, 128074), (1120, 64037)]