25800920

素因数分解:

$2^3\times 5^1\times {\mathrm{645023}}^1$

素因数の和:645034

約数の個数: 16

約数和(自身を含む): 58052160

約数和(自身を除く): 32251240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 645023, 1290046, 2580092, 3225115, 5160184, 6450230, 12900460, 25800920]

約数ペア:

[(1, 25800920), (2, 12900460), (4, 6450230), (5, 5160184), (8, 3225115), (10, 2580092), (20, 1290046), (40, 645023)]