25438660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97841}}^1$

素因数の和:97863

約数の個数: 24

約数和(自身を含む): 57531096

約数和(自身を除く): 32092436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97841, 195682, 391364, 489205, 978410, 1271933, 1956820, 2543866, 5087732, 6359665, 12719330, 25438660]

約数ペア:

[(1, 25438660), (2, 12719330), (4, 6359665), (5, 5087732), (10, 2543866), (13, 1956820), (20, 1271933), (26, 978410), (52, 489205), (65, 391364), (130, 195682), (260, 97841)]