1261566160

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{62827}}^1$

素因数の和:63091

約数の個数: 40

約数和(自身を含む): 2944874016

約数和(自身を除く): 1683307856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 62827, 125654, 251308, 314135, 502616, 628270, 1005232, 1256540, 2513080, 5026160, 15769577, 31539154, 63078308, 78847885, 126156616, 157695770, 252313232, 315391540, 630783080, 1261566160]

約数ペア:

[(1, 1261566160), (2, 630783080), (4, 315391540), (5, 252313232), (8, 157695770), (10, 126156616), (16, 78847885), (20, 63078308), (40, 31539154), (80, 15769577), (251, 5026160), (502, 2513080), (1004, 1256540), (1255, 1005232), (2008, 628270), (2510, 502616), (4016, 314135), (5020, 251308), (10040, 125654), (20080, 62827)]