25885240

素因数分解:

$2^3\times 5^1\times {\mathrm{647131}}^1$

素因数の和:647142

約数の個数: 16

約数和(自身を含む): 58241880

約数和(自身を除く): 32356640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647131, 1294262, 2588524, 3235655, 5177048, 6471310, 12942620, 25885240]

約数ペア:

[(1, 25885240), (2, 12942620), (4, 6471310), (5, 5177048), (8, 3235655), (10, 2588524), (20, 1294262), (40, 647131)]