42040120

素因数分解:

$2^3\times 5^1\times {\mathrm{1051003}}^1$

素因数の和:1051014

約数の個数: 16

約数和(自身を含む): 94590360

約数和(自身を除く): 52550240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051003, 2102006, 4204012, 5255015, 8408024, 10510030, 21020060, 42040120]

約数ペア:

[(1, 42040120), (2, 21020060), (4, 10510030), (5, 8408024), (8, 5255015), (10, 4204012), (20, 2102006), (40, 1051003)]