83911280

素因数分解:

$2^4\times 5^1\times {\mathrm{1048891}}^1$

素因数の和:1048904

約数の個数: 20

約数和(自身を含む): 195093912

約数和(自身を除く): 111182632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1048891, 2097782, 4195564, 5244455, 8391128, 10488910, 16782256, 20977820, 41955640, 83911280]

約数ペア:

[(1, 83911280), (2, 41955640), (4, 20977820), (5, 16782256), (8, 10488910), (10, 8391128), (16, 5244455), (20, 4195564), (40, 2097782), (80, 1048891)]