202118897240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388690187}}^1$

素因数の和:388690211

約数の個数: 32

約数和(自身を含む): 489749636880

約数和(自身を除く): 287630739640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388690187, 777380374, 1554760748, 1943450935, 3109521496, 3886901870, 5052972431, 7773803740, 10105944862, 15547607480, 20211889724, 25264862155, 40423779448, 50529724310, 101059448620, 202118897240]

約数ペア:

[(1, 202118897240), (2, 101059448620), (4, 50529724310), (5, 40423779448), (8, 25264862155), (10, 20211889724), (13, 15547607480), (20, 10105944862), (26, 7773803740), (40, 5052972431), (52, 3886901870), (65, 3109521496), (104, 1943450935), (130, 1554760748), (260, 777380374), (520, 388690187)]