51742160

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4721}}^1$

素因数の和:4871

約数の個数: 40

約数和(自身を含む): 121204296

約数和(自身を除く): 69462136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 4721, 5480, 9442, 10960, 18884, 23605, 37768, 47210, 75536, 94420, 188840, 377680, 646777, 1293554, 2587108, 3233885, 5174216, 6467770, 10348432, 12935540, 25871080, 51742160]

約数ペア:

[(1, 51742160), (2, 25871080), (4, 12935540), (5, 10348432), (8, 6467770), (10, 5174216), (16, 3233885), (20, 2587108), (40, 1293554), (80, 646777), (137, 377680), (274, 188840), (548, 94420), (685, 75536), (1096, 47210), (1370, 37768), (2192, 23605), (2740, 18884), (4721, 10960), (5480, 9442)]