208518804940

素因数分解:

$2^2\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{5566439}}^1$

素因数の和:5568321

約数の個数: 24

約数和(自身を含む): 438123359520

約数和(自身を除く): 229604554580

約数列:

[1, 2, 4, 5, 10, 20, 1873, 3746, 7492, 9365, 18730, 37460, 5566439, 11132878, 22265756, 27832195, 55664390, 111328780, 10425940247, 20851880494, 41703760988, 52129701235, 104259402470, 208518804940]

約数ペア:

[(1, 208518804940), (2, 104259402470), (4, 52129701235), (5, 41703760988), (10, 20851880494), (20, 10425940247), (1873, 111328780), (3746, 55664390), (7492, 27832195), (9365, 22265756), (18730, 11132878), (37460, 5566439)]