428663120

素因数分解:

$2^4\times 5^1\times {\mathrm{5358289}}^1$

素因数の和:5358302

約数の個数: 20

約数和(自身を含む): 996641940

約数和(自身を除く): 567978820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5358289, 10716578, 21433156, 26791445, 42866312, 53582890, 85732624, 107165780, 214331560, 428663120]

約数ペア:

[(1, 428663120), (2, 214331560), (4, 107165780), (5, 85732624), (8, 53582890), (10, 42866312), (16, 26791445), (20, 21433156), (40, 10716578), (80, 5358289)]