156851120

素因数分解:

$2^4\times 5^1\times {\mathrm{1960639}}^1$

素因数の和:1960652

約数の個数: 20

約数和(自身を含む): 364679040

約数和(自身を除く): 207827920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1960639, 3921278, 7842556, 9803195, 15685112, 19606390, 31370224, 39212780, 78425560, 156851120]

約数ペア:

[(1, 156851120), (2, 78425560), (4, 39212780), (5, 31370224), (8, 19606390), (10, 15685112), (16, 9803195), (20, 7842556), (40, 3921278), (80, 1960639)]