42748340

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{5077}}^1$

素因数の和:5507

約数の個数: 24

約数和(自身を含む): 90002472

約数和(自身を除く): 47254132

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 5077, 8420, 10154, 20308, 25385, 50770, 101540, 2137417, 4274834, 8549668, 10687085, 21374170, 42748340]

約数ペア:

[(1, 42748340), (2, 21374170), (4, 10687085), (5, 8549668), (10, 4274834), (20, 2137417), (421, 101540), (842, 50770), (1684, 25385), (2105, 20308), (4210, 10154), (5077, 8420)]