51816640

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{839}}^1$

素因数の和:1049

約数の個数: 56

約数和(自身を含む): 124175520

約数和(自身を除く): 72358880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 320, 386, 772, 839, 965, 1544, 1678, 1930, 3088, 3356, 3860, 4195, 6176, 6712, 7720, 8390, 12352, 13424, 15440, 16780, 26848, 30880, 33560, 53696, 61760, 67120, 134240, 161927, 268480, 323854, 647708, 809635, 1295416, 1619270, 2590832, 3238540, 5181664, 6477080, 10363328, 12954160, 25908320, 51816640]

約数ペア:

[(1, 51816640), (2, 25908320), (4, 12954160), (5, 10363328), (8, 6477080), (10, 5181664), (16, 3238540), (20, 2590832), (32, 1619270), (40, 1295416), (64, 809635), (80, 647708), (160, 323854), (193, 268480), (320, 161927), (386, 134240), (772, 67120), (839, 61760), (965, 53696), (1544, 33560), (1678, 30880), (1930, 26848), (3088, 16780), (3356, 15440), (3860, 13424), (4195, 12352), (6176, 8390), (6712, 7720)]