25810640

素因数分解:

$2^4\times 5^1\times {\mathrm{322633}}^1$

素因数の和:322646

約数の個数: 20

約数和(自身を含む): 60009924

約数和(自身を除く): 34199284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 322633, 645266, 1290532, 1613165, 2581064, 3226330, 5162128, 6452660, 12905320, 25810640]

約数ペア:

[(1, 25810640), (2, 12905320), (4, 6452660), (5, 5162128), (8, 3226330), (10, 2581064), (16, 1613165), (20, 1290532), (40, 645266), (80, 322633)]