8722040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 20779200

約数和(自身を除く): 12057160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 103, 116, 145, 146, 206, 232, 290, 292, 365, 412, 515, 580, 584, 730, 824, 1030, 1160, 1460, 2060, 2117, 2920, 2987, 4120, 4234, 5974, 7519, 8468, 10585, 11948, 14935, 15038, 16936, 21170, 23896, 29870, 30076, 37595, 42340, 59740, 60152, 75190, 84680, 119480, 150380, 218051, 300760, 436102, 872204, 1090255, 1744408, 2180510, 4361020, 8722040]

約数ペア:

[(1, 8722040), (2, 4361020), (4, 2180510), (5, 1744408), (8, 1090255), (10, 872204), (20, 436102), (29, 300760), (40, 218051), (58, 150380), (73, 119480), (103, 84680), (116, 75190), (145, 60152), (146, 59740), (206, 42340), (232, 37595), (290, 30076), (292, 29870), (365, 23896), (412, 21170), (515, 16936), (580, 15038), (584, 14935), (730, 11948), (824, 10585), (1030, 8468), (1160, 7519), (1460, 5974), (2060, 4234), (2117, 4120), (2920, 2987)]