2181996160

素因数分解:

$2^7\times 5^1\times {\mathrm{3409369}}^1$

素因数の和:3409388

約数の個数: 32

約数和(自身を含む): 5216336100

約数和(自身を除く): 3034339940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3409369, 6818738, 13637476, 17046845, 27274952, 34093690, 54549904, 68187380, 109099808, 136374760, 218199616, 272749520, 436399232, 545499040, 1090998080, 2181996160]

約数ペア:

[(1, 2181996160), (2, 1090998080), (4, 545499040), (5, 436399232), (8, 272749520), (10, 218199616), (16, 136374760), (20, 109099808), (32, 68187380), (40, 54549904), (64, 34093690), (80, 27274952), (128, 17046845), (160, 13637476), (320, 6818738), (640, 3409369)]