161390260

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{27541}}^1$

素因数の和:27843

約数の個数: 24

約数和(自身を含む): 340088616

約数和(自身を除く): 178698356

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 5860, 27541, 55082, 110164, 137705, 275410, 550820, 8069513, 16139026, 32278052, 40347565, 80695130, 161390260]

約数ペア:

[(1, 161390260), (2, 80695130), (4, 40347565), (5, 32278052), (10, 16139026), (20, 8069513), (293, 550820), (586, 275410), (1172, 137705), (1465, 110164), (2930, 55082), (5860, 27541)]