51389660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367069}}^1$

素因数の和:367085

約数の個数: 24

約数和(自身を含む): 123335520

約数和(自身を除く): 71945860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367069, 734138, 1468276, 1835345, 2569483, 3670690, 5138966, 7341380, 10277932, 12847415, 25694830, 51389660]

約数ペア:

[(1, 51389660), (2, 25694830), (4, 12847415), (5, 10277932), (7, 7341380), (10, 5138966), (14, 3670690), (20, 2569483), (28, 1835345), (35, 1468276), (70, 734138), (140, 367069)]