80140208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161573}}^1$

素因数の和:161612

約数の個数: 20

約数和(自身を含む): 160281408

約数和(自身を除く): 80141200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161573, 323146, 646292, 1292584, 2585168, 5008763, 10017526, 20035052, 40070104, 80140208]

約数ペア:

[(1, 80140208), (2, 40070104), (4, 20035052), (8, 10017526), (16, 5008763), (31, 2585168), (62, 1292584), (124, 646292), (248, 323146), (496, 161573)]