25169480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89891}}^1$

素因数の和:89909

約数の個数: 32

約数和(自身を含む): 64722240

約数和(自身を除く): 39552760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89891, 179782, 359564, 449455, 629237, 719128, 898910, 1258474, 1797820, 2516948, 3146185, 3595640, 5033896, 6292370, 12584740, 25169480]

約数ペア:

[(1, 25169480), (2, 12584740), (4, 6292370), (5, 5033896), (7, 3595640), (8, 3146185), (10, 2516948), (14, 1797820), (20, 1258474), (28, 898910), (35, 719128), (40, 629237), (56, 449455), (70, 359564), (140, 179782), (280, 89891)]