31502960

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2833}}^1$

素因数の和:2985

約数の個数: 40

約数和(自身を含む): 73797360

約数和(自身を除く): 42294400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 2833, 5560, 5666, 11120, 11332, 14165, 22664, 28330, 45328, 56660, 113320, 226640, 393787, 787574, 1575148, 1968935, 3150296, 3937870, 6300592, 7875740, 15751480, 31502960]

約数ペア:

[(1, 31502960), (2, 15751480), (4, 7875740), (5, 6300592), (8, 3937870), (10, 3150296), (16, 1968935), (20, 1575148), (40, 787574), (80, 393787), (139, 226640), (278, 113320), (556, 56660), (695, 45328), (1112, 28330), (1390, 22664), (2224, 14165), (2780, 11332), (2833, 11120), (5560, 5666)]