181996160

素因数分解:

$2^7\times 5^1\times {\mathrm{284369}}^1$

素因数の和:284388

約数の個数: 32

約数和(自身を含む): 435086100

約数和(自身を除く): 253089940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 284369, 568738, 1137476, 1421845, 2274952, 2843690, 4549904, 5687380, 9099808, 11374760, 18199616, 22749520, 36399232, 45499040, 90998080, 181996160]

約数ペア:

[(1, 181996160), (2, 90998080), (4, 45499040), (5, 36399232), (8, 22749520), (10, 18199616), (16, 11374760), (20, 9099808), (32, 5687380), (40, 4549904), (64, 2843690), (80, 2274952), (128, 1421845), (160, 1137476), (320, 568738), (640, 284369)]