31053640

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2027}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 70087680

約数和(自身を除く): 39034040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 2027, 3064, 3830, 4054, 7660, 8108, 10135, 15320, 16216, 20270, 40540, 81080, 776341, 1552682, 3105364, 3881705, 6210728, 7763410, 15526820, 31053640]

約数ペア:

[(1, 31053640), (2, 15526820), (4, 7763410), (5, 6210728), (8, 3881705), (10, 3105364), (20, 1552682), (40, 776341), (383, 81080), (766, 40540), (1532, 20270), (1915, 16216), (2027, 15320), (3064, 10135), (3830, 8108), (4054, 7660)]