50681680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1847}}^1$

素因数の和:1881

約数の個数: 80

約数和(自身を含む): 137491200

約数和(自身を除く): 86809520

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, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1847, 1960, 2744, 3430, 3694, 3920, 5488, 6860, 7388, 9235, 12929, 13720, 14776, 18470, 25858, 27440, 29552, 36940, 51716, 64645, 73880, 90503, 103432, 129290, 147760, 181006, 206864, 258580, 362012, 452515, 517160, 633521, 724024, 905030, 1034320, 1267042, 1448048, 1810060, 2534084, 3167605, 3620120, 5068168, 6335210, 7240240, 10136336, 12670420, 25340840, 50681680]

約数ペア:

[(1, 50681680), (2, 25340840), (4, 12670420), (5, 10136336), (7, 7240240), (8, 6335210), (10, 5068168), (14, 3620120), (16, 3167605), (20, 2534084), (28, 1810060), (35, 1448048), (40, 1267042), (49, 1034320), (56, 905030), (70, 724024), (80, 633521), (98, 517160), (112, 452515), (140, 362012), (196, 258580), (245, 206864), (280, 181006), (343, 147760), (392, 129290), (490, 103432), (560, 90503), (686, 73880), (784, 64645), (980, 51716), (1372, 36940), (1715, 29552), (1847, 27440), (1960, 25858), (2744, 18470), (3430, 14776), (3694, 13720), (3920, 12929), (5488, 9235), (6860, 7388)]