42240020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6791}}^1$

素因数の和:7111

約数の個数: 24

約数和(自身を含む): 89002368

約数和(自身を除く): 46762348

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 6791, 13582, 27164, 33955, 67910, 135820, 2112001, 4224002, 8448004, 10560005, 21120010, 42240020]

約数ペア:

[(1, 42240020), (2, 21120010), (4, 10560005), (5, 8448004), (10, 4224002), (20, 2112001), (311, 135820), (622, 67910), (1244, 33955), (1555, 27164), (3110, 13582), (6220, 6791)]