25384240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45329}}^1$

素因数の和:45349

約数の個数: 40

約数和(自身を含む): 67451040

約数和(自身を除く): 42066800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45329, 90658, 181316, 226645, 317303, 362632, 453290, 634606, 725264, 906580, 1269212, 1586515, 1813160, 2538424, 3173030, 3626320, 5076848, 6346060, 12692120, 25384240]

約数ペア:

[(1, 25384240), (2, 12692120), (4, 6346060), (5, 5076848), (7, 3626320), (8, 3173030), (10, 2538424), (14, 1813160), (16, 1586515), (20, 1269212), (28, 906580), (35, 725264), (40, 634606), (56, 453290), (70, 362632), (80, 317303), (112, 226645), (140, 181316), (280, 90658), (560, 45329)]