12546140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4513}}^1$

素因数の和:4661

約数の個数: 24

約数和(自身を含む): 26542320

約数和(自身を除く): 13996180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4513, 9026, 18052, 22565, 45130, 90260, 627307, 1254614, 2509228, 3136535, 6273070, 12546140]

約数ペア:

[(1, 12546140), (2, 6273070), (4, 3136535), (5, 2509228), (10, 1254614), (20, 627307), (139, 90260), (278, 45130), (556, 22565), (695, 18052), (1390, 9026), (2780, 4513)]