25672940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14423}}^1$

素因数の和:14521

約数の個数: 24

約数和(自身を含む): 54522720

約数和(自身を除く): 28849780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14423, 28846, 57692, 72115, 144230, 288460, 1283647, 2567294, 5134588, 6418235, 12836470, 25672940]

約数ペア:

[(1, 25672940), (2, 12836470), (4, 6418235), (5, 5134588), (10, 2567294), (20, 1283647), (89, 288460), (178, 144230), (356, 72115), (445, 57692), (890, 28846), (1780, 14423)]