1681250

素因数分解:

$2^1\times 5^5\times {\mathrm{269}}^1$

素因数の和:296

約数の個数: 24

約数和(自身を含む): 3163860

約数和(自身を除く): 1482610

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 269, 538, 625, 1250, 1345, 2690, 3125, 6250, 6725, 13450, 33625, 67250, 168125, 336250, 840625, 1681250]

約数ペア:

[(1, 1681250), (2, 840625), (5, 336250), (10, 168125), (25, 67250), (50, 33625), (125, 13450), (250, 6725), (269, 6250), (538, 3125), (625, 2690), (1250, 1345)]