39721360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10133}}^1$

素因数の和:10160

約数の個数: 60

約数和(自身を含む): 107440668

約数和(自身を除く): 67719308

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, 10133, 20266, 40532, 50665, 70931, 81064, 101330, 141862, 162128, 202660, 283724, 354655, 405320, 496517, 567448, 709310, 810640, 993034, 1134896, 1418620, 1986068, 2482585, 2837240, 3972136, 4965170, 5674480, 7944272, 9930340, 19860680, 39721360]

約数ペア:

[(1, 39721360), (2, 19860680), (4, 9930340), (5, 7944272), (7, 5674480), (8, 4965170), (10, 3972136), (14, 2837240), (16, 2482585), (20, 1986068), (28, 1418620), (35, 1134896), (40, 993034), (49, 810640), (56, 709310), (70, 567448), (80, 496517), (98, 405320), (112, 354655), (140, 283724), (196, 202660), (245, 162128), (280, 141862), (392, 101330), (490, 81064), (560, 70931), (784, 50665), (980, 40532), (1960, 20266), (3920, 10133)]