28190480

素因数分解:

$2^4\times 5^1\times {\mathrm{352381}}^1$

素因数の和:352394

約数の個数: 20

約数和(自身を含む): 65543052

約数和(自身を除く): 37352572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352381, 704762, 1409524, 1761905, 2819048, 3523810, 5638096, 7047620, 14095240, 28190480]

約数ペア:

[(1, 28190480), (2, 14095240), (4, 7047620), (5, 5638096), (8, 3523810), (10, 2819048), (16, 1761905), (20, 1409524), (40, 704762), (80, 352381)]