80020996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{23021}}^1$

素因数の和:23115

約数の個数: 24

約数和(自身を含む): 154707840

約数和(自身を除く): 74686844

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 23021, 46042, 92084, 253231, 506462, 1012924, 1818659, 3637318, 7274636, 20005249, 40010498, 80020996]

約数ペア:

[(1, 80020996), (2, 40010498), (4, 20005249), (11, 7274636), (22, 3637318), (44, 1818659), (79, 1012924), (158, 506462), (316, 253231), (869, 92084), (1738, 46042), (3476, 23021)]