25810480

素因数分解:

$2^4\times 5^1\times {\mathrm{322631}}^1$

素因数の和:322644

約数の個数: 20

約数和(自身を含む): 60009552

約数和(自身を除く): 34199072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 322631, 645262, 1290524, 1613155, 2581048, 3226310, 5162096, 6452620, 12905240, 25810480]

約数ペア:

[(1, 25810480), (2, 12905240), (4, 6452620), (5, 5162096), (8, 3226310), (10, 2581048), (16, 1613155), (20, 1290524), (40, 645262), (80, 322631)]