80612380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{8209}}^1$

素因数の和:8709

約数の個数: 24

約数和(自身を含む): 169651440

約数和(自身を除く): 89039060

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 8209, 9820, 16418, 32836, 41045, 82090, 164180, 4030619, 8061238, 16122476, 20153095, 40306190, 80612380]

約数ペア:

[(1, 80612380), (2, 40306190), (4, 20153095), (5, 16122476), (10, 8061238), (20, 4030619), (491, 164180), (982, 82090), (1964, 41045), (2455, 32836), (4910, 16418), (8209, 9820)]