87800540

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{4177}}^1$

素因数の和:5237

約数の個数: 24

約数和(自身を含む): 184600752

約数和(自身を除く): 96800212

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 4177, 4204, 5255, 8354, 10510, 16708, 20885, 21020, 41770, 83540, 4390027, 8780054, 17560108, 21950135, 43900270, 87800540]

約数ペア:

[(1, 87800540), (2, 43900270), (4, 21950135), (5, 17560108), (10, 8780054), (20, 4390027), (1051, 83540), (2102, 41770), (4177, 21020), (4204, 20885), (5255, 16708), (8354, 10510)]