16512156940

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{378893}}^1$

素因数の和:381081

約数の個数: 24

約数和(自身を含む): 34691534640

約数和(自身を除く): 18179377700

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 21790, 43580, 378893, 757786, 1515572, 1894465, 3788930, 7577860, 825607847, 1651215694, 3302431388, 4128039235, 8256078470, 16512156940]

約数ペア:

[(1, 16512156940), (2, 8256078470), (4, 4128039235), (5, 3302431388), (10, 1651215694), (20, 825607847), (2179, 7577860), (4358, 3788930), (8716, 1894465), (10895, 1515572), (21790, 757786), (43580, 378893)]