26270480

素因数分解:

$2^4\times 5^1\times {\mathrm{328381}}^1$

素因数の和:328394

約数の個数: 20

約数和(自身を含む): 61079052

約数和(自身を除く): 34808572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328381, 656762, 1313524, 1641905, 2627048, 3283810, 5254096, 6567620, 13135240, 26270480]

約数ペア:

[(1, 26270480), (2, 13135240), (4, 6567620), (5, 5254096), (8, 3283810), (10, 2627048), (16, 1641905), (20, 1313524), (40, 656762), (80, 328381)]