213674960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21031}}^1$

素因数の和:21171

約数の個数: 40

約数和(自身を含む): 500729856

約数和(自身を除く): 287054896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 21031, 42062, 84124, 105155, 168248, 210310, 336496, 420620, 841240, 1682480, 2670937, 5341874, 10683748, 13354685, 21367496, 26709370, 42734992, 53418740, 106837480, 213674960]

約数ペア:

[(1, 213674960), (2, 106837480), (4, 53418740), (5, 42734992), (8, 26709370), (10, 21367496), (16, 13354685), (20, 10683748), (40, 5341874), (80, 2670937), (127, 1682480), (254, 841240), (508, 420620), (635, 336496), (1016, 210310), (1270, 168248), (2032, 105155), (2540, 84124), (5080, 42062), (10160, 21031)]