129518560

素因数分解:

$2^5\times 5^1\times {\mathrm{809491}}^1$

素因数の和:809506

約数の個数: 24

約数和(自身を含む): 305987976

約数和(自身を除く): 176469416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 809491, 1618982, 3237964, 4047455, 6475928, 8094910, 12951856, 16189820, 25903712, 32379640, 64759280, 129518560]

約数ペア:

[(1, 129518560), (2, 64759280), (4, 32379640), (5, 25903712), (8, 16189820), (10, 12951856), (16, 8094910), (20, 6475928), (32, 4047455), (40, 3237964), (80, 1618982), (160, 809491)]