4440020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17077}}^1$

素因数の和:17099

約数の個数: 24

約数和(自身を含む): 10041864

約数和(自身を除く): 5601844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 17077, 34154, 68308, 85385, 170770, 222001, 341540, 444002, 888004, 1110005, 2220010, 4440020]

約数ペア:

[(1, 4440020), (2, 2220010), (4, 1110005), (5, 888004), (10, 444002), (13, 341540), (20, 222001), (26, 170770), (52, 85385), (65, 68308), (130, 34154), (260, 17077)]