80181784

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{63839}}^1$

素因数の和:64002

約数の個数: 16

約数和(自身を含む): 151300800

約数和(自身を除く): 71119016

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 63839, 127678, 255356, 510712, 10022723, 20045446, 40090892, 80181784]

約数ペア:

[(1, 80181784), (2, 40090892), (4, 20045446), (8, 10022723), (157, 510712), (314, 255356), (628, 127678), (1256, 63839)]