42640492

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{260003}}^1$

素因数の和:260048

約数の個数: 12

約数和(自身を含む): 76441176

約数和(自身を除く): 33800684

約数列:

[1, 2, 4, 41, 82, 164, 260003, 520006, 1040012, 10660123, 21320246, 42640492]

約数ペア:

[(1, 42640492), (2, 21320246), (4, 10660123), (41, 1040012), (82, 520006), (164, 260003)]