79401680

素因数分解:

$2^4\times 5^1\times {\mathrm{992521}}^1$

素因数の和:992534

約数の個数: 20

約数和(自身を含む): 184609092

約数和(自身を除く): 105207412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 992521, 1985042, 3970084, 4962605, 7940168, 9925210, 15880336, 19850420, 39700840, 79401680]

約数ペア:

[(1, 79401680), (2, 39700840), (4, 19850420), (5, 15880336), (8, 9925210), (10, 7940168), (16, 4962605), (20, 3970084), (40, 1985042), (80, 992521)]