66404960

素因数分解:

$2^5\times 5^1\times {\mathrm{415031}}^1$

素因数の和:415046

約数の個数: 24

約数和(自身を含む): 156882096

約数和(自身を除く): 90477136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 415031, 830062, 1660124, 2075155, 3320248, 4150310, 6640496, 8300620, 13280992, 16601240, 33202480, 66404960]

約数ペア:

[(1, 66404960), (2, 33202480), (4, 16601240), (5, 13280992), (8, 8300620), (10, 6640496), (16, 4150310), (20, 3320248), (32, 2075155), (40, 1660124), (80, 830062), (160, 415031)]