128046250

素因数分解:

$2^1\times 5^4\times {\mathrm{102437}}^1$

素因数の和:102459

約数の個数: 20

約数和(自身を含む): 240012234

約数和(自身を除く): 111965984

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 102437, 204874, 512185, 1024370, 2560925, 5121850, 12804625, 25609250, 64023125, 128046250]

約数ペア:

[(1, 128046250), (2, 64023125), (5, 25609250), (10, 12804625), (25, 5121850), (50, 2560925), (125, 1024370), (250, 512185), (625, 204874), (1250, 102437)]