80201020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93257}}^1$

素因数の和:93309

約数の個数: 24

約数和(自身を含む): 172340784

約数和(自身を除く): 92139764

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 93257, 186514, 373028, 466285, 932570, 1865140, 4010051, 8020102, 16040204, 20050255, 40100510, 80201020]

約数ペア:

[(1, 80201020), (2, 40100510), (4, 20050255), (5, 16040204), (10, 8020102), (20, 4010051), (43, 1865140), (86, 932570), (172, 466285), (215, 373028), (430, 186514), (860, 93257)]