8663120

素因数分解:

$2^4\times 5^1\times {\mathrm{108289}}^1$

素因数の和:108302

約数の個数: 20

約数和(自身を含む): 20141940

約数和(自身を除く): 11478820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 108289, 216578, 433156, 541445, 866312, 1082890, 1732624, 2165780, 4331560, 8663120]

約数ペア:

[(1, 8663120), (2, 4331560), (4, 2165780), (5, 1732624), (8, 1082890), (10, 866312), (16, 541445), (20, 433156), (40, 216578), (80, 108289)]