131661040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{33587}}^1$

素因数の和:33614

約数の個数: 60

約数和(自身を含む): 356099976

約数和(自身を除く): 224438936

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, 33587, 67174, 134348, 167935, 235109, 268696, 335870, 470218, 537392, 671740, 940436, 1175545, 1343480, 1645763, 1880872, 2351090, 2686960, 3291526, 3761744, 4702180, 6583052, 8228815, 9404360, 13166104, 16457630, 18808720, 26332208, 32915260, 65830520, 131661040]

約数ペア:

[(1, 131661040), (2, 65830520), (4, 32915260), (5, 26332208), (7, 18808720), (8, 16457630), (10, 13166104), (14, 9404360), (16, 8228815), (20, 6583052), (28, 4702180), (35, 3761744), (40, 3291526), (49, 2686960), (56, 2351090), (70, 1880872), (80, 1645763), (98, 1343480), (112, 1175545), (140, 940436), (196, 671740), (245, 537392), (280, 470218), (392, 335870), (490, 268696), (560, 235109), (784, 167935), (980, 134348), (1960, 67174), (3920, 33587)]