208076840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{23327}}^1$

素因数の和:23561

約数の個数: 32

約数和(自身を含む): 470292480

約数和(自身を除く): 262215640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 23327, 46654, 93308, 116635, 186616, 233270, 466540, 933080, 5201921, 10403842, 20807684, 26009605, 41615368, 52019210, 104038420, 208076840]

約数ペア:

[(1, 208076840), (2, 104038420), (4, 52019210), (5, 41615368), (8, 26009605), (10, 20807684), (20, 10403842), (40, 5201921), (223, 933080), (446, 466540), (892, 233270), (1115, 186616), (1784, 116635), (2230, 93308), (4460, 46654), (8920, 23327)]