15751480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2833}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 35708400

約数和(自身を除く): 19956920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 2833, 5560, 5666, 11332, 14165, 22664, 28330, 56660, 113320, 393787, 787574, 1575148, 1968935, 3150296, 3937870, 7875740, 15751480]

約数ペア:

[(1, 15751480), (2, 7875740), (4, 3937870), (5, 3150296), (8, 1968935), (10, 1575148), (20, 787574), (40, 393787), (139, 113320), (278, 56660), (556, 28330), (695, 22664), (1112, 14165), (1390, 11332), (2780, 5666), (2833, 5560)]