25209940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{180071}}^1$

素因数の和:180087

約数の個数: 24

約数和(自身を含む): 60504192

約数和(自身を除く): 35294252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 180071, 360142, 720284, 900355, 1260497, 1800710, 2520994, 3601420, 5041988, 6302485, 12604970, 25209940]

約数ペア:

[(1, 25209940), (2, 12604970), (4, 6302485), (5, 5041988), (7, 3601420), (10, 2520994), (14, 1800710), (20, 1260497), (28, 900355), (35, 720284), (70, 360142), (140, 180071)]