71093290

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{17729}}^1$

素因数の和:18137

約数の個数: 16

約数和(自身を含む): 128294280

約数和(自身を除く): 57200990

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 17729, 35458, 88645, 177290, 7109329, 14218658, 35546645, 71093290]

約数ペア:

[(1, 71093290), (2, 35546645), (5, 14218658), (10, 7109329), (401, 177290), (802, 88645), (2005, 35458), (4010, 17729)]