80613440

素因数分解:

$2^6\times 5^1\times {\mathrm{251917}}^1$

素因数の和:251934

約数の個数: 28

約数和(自身を含む): 191961516

約数和(自身を除く): 111348076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251917, 503834, 1007668, 1259585, 2015336, 2519170, 4030672, 5038340, 8061344, 10076680, 16122688, 20153360, 40306720, 80613440]

約数ペア:

[(1, 80613440), (2, 40306720), (4, 20153360), (5, 16122688), (8, 10076680), (10, 8061344), (16, 5038340), (20, 4030672), (32, 2519170), (40, 2015336), (64, 1259585), (80, 1007668), (160, 503834), (320, 251917)]