42640484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{561059}}^1$

素因数の和:561082

約数の個数: 12

約数和(自身を含む): 78548400

約数和(自身を除く): 35907916

約数列:

[1, 2, 4, 19, 38, 76, 561059, 1122118, 2244236, 10660121, 21320242, 42640484]

約数ペア:

[(1, 42640484), (2, 21320242), (4, 10660121), (19, 2244236), (38, 1122118), (76, 561059)]