27965560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99877}}^1$

素因数の和:99895

約数の個数: 32

約数和(自身を含む): 71912160

約数和(自身を除く): 43946600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99877, 199754, 399508, 499385, 699139, 799016, 998770, 1398278, 1997540, 2796556, 3495695, 3995080, 5593112, 6991390, 13982780, 27965560]

約数ペア:

[(1, 27965560), (2, 13982780), (4, 6991390), (5, 5593112), (7, 3995080), (8, 3495695), (10, 2796556), (14, 1997540), (20, 1398278), (28, 998770), (35, 799016), (40, 699139), (56, 499385), (70, 399508), (140, 199754), (280, 99877)]