12761680

素因数分解:

$2^4\times 5^1\times {\mathrm{159521}}^1$

素因数の和:159534

約数の個数: 20

約数和(自身を含む): 29671092

約数和(自身を除く): 16909412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159521, 319042, 638084, 797605, 1276168, 1595210, 2552336, 3190420, 6380840, 12761680]

約数ペア:

[(1, 12761680), (2, 6380840), (4, 3190420), (5, 2552336), (8, 1595210), (10, 1276168), (16, 797605), (20, 638084), (40, 319042), (80, 159521)]