200787560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56401}}^1$

素因数の和:56501

約数の個数: 32

約数和(自身を含む): 456856200

約数和(自身を除く): 256068640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56401, 112802, 225604, 282005, 451208, 564010, 1128020, 2256040, 5019689, 10039378, 20078756, 25098445, 40157512, 50196890, 100393780, 200787560]

約数ペア:

[(1, 200787560), (2, 100393780), (4, 50196890), (5, 40157512), (8, 25098445), (10, 20078756), (20, 10039378), (40, 5019689), (89, 2256040), (178, 1128020), (356, 564010), (445, 451208), (712, 282005), (890, 225604), (1780, 112802), (3560, 56401)]