155866160

素因数分解:

$2^4\times 5^1\times {\mathrm{1948327}}^1$

素因数の和:1948340

約数の個数: 20

約数和(自身を含む): 362389008

約数和(自身を除く): 206522848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1948327, 3896654, 7793308, 9741635, 15586616, 19483270, 31173232, 38966540, 77933080, 155866160]

約数ペア:

[(1, 155866160), (2, 77933080), (4, 38966540), (5, 31173232), (8, 19483270), (10, 15586616), (16, 9741635), (20, 7793308), (40, 3896654), (80, 1948327)]