19607680

素因数分解:

$2^7\times 5^1\times {\mathrm{30637}}^1$

素因数の和:30656

約数の個数: 32

約数和(自身を含む): 46876140

約数和(自身を除く): 27268460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30637, 61274, 122548, 153185, 245096, 306370, 490192, 612740, 980384, 1225480, 1960768, 2450960, 3921536, 4901920, 9803840, 19607680]

約数ペア:

[(1, 19607680), (2, 9803840), (4, 4901920), (5, 3921536), (8, 2450960), (10, 1960768), (16, 1225480), (20, 980384), (32, 612740), (40, 490192), (64, 306370), (80, 245096), (128, 153185), (160, 122548), (320, 61274), (640, 30637)]