168442940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{32771}}^1$

素因数の和:33037

約数の個数: 24

約数和(自身を含む): 355117392

約数和(自身を除く): 186674452

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 32771, 65542, 131084, 163855, 327710, 655420, 8422147, 16844294, 33688588, 42110735, 84221470, 168442940]

約数ペア:

[(1, 168442940), (2, 84221470), (4, 42110735), (5, 33688588), (10, 16844294), (20, 8422147), (257, 655420), (514, 327710), (1028, 163855), (1285, 131084), (2570, 65542), (5140, 32771)]