64004960

素因数分解:

$2^5\times 5^1\times {\mathrm{400031}}^1$

素因数の和:400046

約数の個数: 24

約数和(自身を含む): 151212096

約数和(自身を除く): 87207136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 400031, 800062, 1600124, 2000155, 3200248, 4000310, 6400496, 8000620, 12800992, 16001240, 32002480, 64004960]

約数ペア:

[(1, 64004960), (2, 32002480), (4, 16001240), (5, 12800992), (8, 8000620), (10, 6400496), (16, 4000310), (20, 3200248), (32, 2000155), (40, 1600124), (80, 800062), (160, 400031)]