64434980

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{16693}}^1$

素因数の和:16895

約数の個数: 24

約数和(自身を含む): 136022712

約数和(自身を除く): 71587732

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 16693, 33386, 66772, 83465, 166930, 333860, 3221749, 6443498, 12886996, 16108745, 32217490, 64434980]

約数ペア:

[(1, 64434980), (2, 32217490), (4, 16108745), (5, 12886996), (10, 6443498), (20, 3221749), (193, 333860), (386, 166930), (772, 83465), (965, 66772), (1930, 33386), (3860, 16693)]