84837640

素因数分解:

$2^3\times 5^1\times {\mathrm{2120941}}^1$

素因数の和:2120952

約数の個数: 16

約数和(自身を含む): 190884780

約数和(自身を除く): 106047140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2120941, 4241882, 8483764, 10604705, 16967528, 21209410, 42418820, 84837640]

約数ペア:

[(1, 84837640), (2, 42418820), (4, 21209410), (5, 16967528), (8, 10604705), (10, 8483764), (20, 4241882), (40, 2120941)]