25443340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97859}}^1$

素因数の和:97881

約数の個数: 24

約数和(自身を含む): 57541680

約数和(自身を除く): 32098340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97859, 195718, 391436, 489295, 978590, 1272167, 1957180, 2544334, 5088668, 6360835, 12721670, 25443340]

約数ペア:

[(1, 25443340), (2, 12721670), (4, 6360835), (5, 5088668), (10, 2544334), (13, 1957180), (20, 1272167), (26, 978590), (52, 489295), (65, 391436), (130, 195718), (260, 97859)]