28030480

素因数分解:

$2^4\times 5^1\times {\mathrm{350381}}^1$

素因数の和:350394

約数の個数: 20

約数和(自身を含む): 65171052

約数和(自身を除く): 37140572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 350381, 700762, 1401524, 1751905, 2803048, 3503810, 5606096, 7007620, 14015240, 28030480]

約数ペア:

[(1, 28030480), (2, 14015240), (4, 7007620), (5, 5606096), (8, 3503810), (10, 2803048), (16, 1751905), (20, 1401524), (40, 700762), (80, 350381)]