25270420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{180503}}^1$

素因数の和:180519

約数の個数: 24

約数和(自身を含む): 60649344

約数和(自身を除く): 35378924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 180503, 361006, 722012, 902515, 1263521, 1805030, 2527042, 3610060, 5054084, 6317605, 12635210, 25270420]

約数ペア:

[(1, 25270420), (2, 12635210), (4, 6317605), (5, 5054084), (7, 3610060), (10, 2527042), (14, 1805030), (20, 1263521), (28, 902515), (35, 722012), (70, 361006), (140, 180503)]