83256940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{320219}}^1$

素因数の和:320241

約数の個数: 24

約数和(自身を含む): 188289360

約数和(自身を除く): 105032420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 320219, 640438, 1280876, 1601095, 3202190, 4162847, 6404380, 8325694, 16651388, 20814235, 41628470, 83256940]

約数ペア:

[(1, 83256940), (2, 41628470), (4, 20814235), (5, 16651388), (10, 8325694), (13, 6404380), (20, 4162847), (26, 3202190), (52, 1601095), (65, 1280876), (130, 640438), (260, 320219)]