42052820

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3181}}^1$

素因数の和:3851

約数の個数: 24

約数和(自身を含む): 88472328

約数和(自身を除く): 46419508

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3181, 3305, 6362, 6610, 12724, 13220, 15905, 31810, 63620, 2102641, 4205282, 8410564, 10513205, 21026410, 42052820]

約数ペア:

[(1, 42052820), (2, 21026410), (4, 10513205), (5, 8410564), (10, 4205282), (20, 2102641), (661, 63620), (1322, 31810), (2644, 15905), (3181, 13220), (3305, 12724), (6362, 6610)]