6887620

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 14513688

約数和(自身を除く): 7626068

約数列:

[1, 2, 4, 5, 10, 20, 521, 661, 1042, 1322, 2084, 2605, 2644, 3305, 5210, 6610, 10420, 13220, 344381, 688762, 1377524, 1721905, 3443810, 6887620]

約数ペア:

[(1, 6887620), (2, 3443810), (4, 1721905), (5, 1377524), (10, 688762), (20, 344381), (521, 13220), (661, 10420), (1042, 6610), (1322, 5210), (2084, 3305), (2605, 2644)]