16612880

素因数分解:

$2^4\times 5^1\times {\mathrm{207661}}^1$

素因数の和:207674

約数の個数: 20

約数和(自身を含む): 38625132

約数和(自身を除く): 22012252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 207661, 415322, 830644, 1038305, 1661288, 2076610, 3322576, 4153220, 8306440, 16612880]

約数ペア:

[(1, 16612880), (2, 8306440), (4, 4153220), (5, 3322576), (8, 2076610), (10, 1661288), (16, 1038305), (20, 830644), (40, 415322), (80, 207661)]