157847680

素因数分解:

$2^7\times 5^1\times {\mathrm{246637}}^1$

素因数の和:246656

約数の個数: 32

約数和(自身を含む): 377356140

約数和(自身を除く): 219508460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 246637, 493274, 986548, 1233185, 1973096, 2466370, 3946192, 4932740, 7892384, 9865480, 15784768, 19730960, 31569536, 39461920, 78923840, 157847680]

約数ペア:

[(1, 157847680), (2, 78923840), (4, 39461920), (5, 31569536), (8, 19730960), (10, 15784768), (16, 9865480), (20, 7892384), (32, 4932740), (40, 3946192), (64, 2466370), (80, 1973096), (128, 1233185), (160, 986548), (320, 493274), (640, 246637)]