80821712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{162947}}^1$

素因数の和:162986

約数の個数: 20

約数和(自身を含む): 161644416

約数和(自身を除く): 80822704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 162947, 325894, 651788, 1303576, 2607152, 5051357, 10102714, 20205428, 40410856, 80821712]

約数ペア:

[(1, 80821712), (2, 40410856), (4, 20205428), (8, 10102714), (16, 5051357), (31, 2607152), (62, 1303576), (124, 651788), (248, 325894), (496, 162947)]