77677640

素因数分解:

$2^3\times 5^1\times {\mathrm{1941941}}^1$

素因数の和:1941952

約数の個数: 16

約数和(自身を含む): 174774780

約数和(自身を除く): 97097140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1941941, 3883882, 7767764, 9709705, 15535528, 19419410, 38838820, 77677640]

約数ペア:

[(1, 77677640), (2, 38838820), (4, 19419410), (5, 15535528), (8, 9709705), (10, 7767764), (20, 3883882), (40, 1941941)]