25510480

素因数分解:

$2^4\times 5^1\times {\mathrm{318881}}^1$

素因数の和:318894

約数の個数: 20

約数和(自身を含む): 59312052

約数和(自身を除く): 33801572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 318881, 637762, 1275524, 1594405, 2551048, 3188810, 5102096, 6377620, 12755240, 25510480]

約数ペア:

[(1, 25510480), (2, 12755240), (4, 6377620), (5, 5102096), (8, 3188810), (10, 2551048), (16, 1594405), (20, 1275524), (40, 637762), (80, 318881)]