156980959880

素因数分解:

$2^3\times 5^1\times {\mathrm{3924523997}}^1$

素因数の和:3924524008

約数の個数: 16

約数和(自身を含む): 353207159820

約数和(自身を除く): 196226199940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3924523997, 7849047994, 15698095988, 19622619985, 31396191976, 39245239970, 78490479940, 156980959880]

約数ペア:

[(1, 156980959880), (2, 78490479940), (4, 39245239970), (5, 31396191976), (8, 19622619985), (10, 15698095988), (20, 7849047994), (40, 3924523997)]