25426660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181619}}^1$

素因数の和:181635

約数の個数: 24

約数和(自身を含む): 61024320

約数和(自身を除く): 35597660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181619, 363238, 726476, 908095, 1271333, 1816190, 2542666, 3632380, 5085332, 6356665, 12713330, 25426660]

約数ペア:

[(1, 25426660), (2, 12713330), (4, 6356665), (5, 5085332), (7, 3632380), (10, 2542666), (14, 1816190), (20, 1271333), (28, 908095), (35, 726476), (70, 363238), (140, 181619)]