42740272

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{140593}}^1$

素因数の和:140620

約数の個数: 20

約数和(自身を含む): 87168280

約数和(自身を除く): 44428008

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 140593, 281186, 562372, 1124744, 2249488, 2671267, 5342534, 10685068, 21370136, 42740272]

約数ペア:

[(1, 42740272), (2, 21370136), (4, 10685068), (8, 5342534), (16, 2671267), (19, 2249488), (38, 1124744), (76, 562372), (152, 281186), (304, 140593)]