28173040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7187}}^1$

素因数の和:7214

約数の個数: 60

約数和(自身を含む): 76207176

約数和(自身を除く): 48034136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7187, 14374, 28748, 35935, 50309, 57496, 71870, 100618, 114992, 143740, 201236, 251545, 287480, 352163, 402472, 503090, 574960, 704326, 804944, 1006180, 1408652, 1760815, 2012360, 2817304, 3521630, 4024720, 5634608, 7043260, 14086520, 28173040]

約数ペア:

[(1, 28173040), (2, 14086520), (4, 7043260), (5, 5634608), (7, 4024720), (8, 3521630), (10, 2817304), (14, 2012360), (16, 1760815), (20, 1408652), (28, 1006180), (35, 804944), (40, 704326), (49, 574960), (56, 503090), (70, 402472), (80, 352163), (98, 287480), (112, 251545), (140, 201236), (196, 143740), (245, 114992), (280, 100618), (392, 71870), (490, 57496), (560, 50309), (784, 35935), (980, 28748), (1960, 14374), (3920, 7187)]