161883710

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{19961}}^1$

素因数の和:20779

約数の個数: 16

約数和(自身を含む): 291764592

約数和(自身を除く): 129880882

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 19961, 39922, 99805, 199610, 16188371, 32376742, 80941855, 161883710]

約数ペア:

[(1, 161883710), (2, 80941855), (5, 32376742), (10, 16188371), (811, 199610), (1622, 99805), (4055, 39922), (8110, 19961)]