80564080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9239}}^1$

素因数の和:9361

約数の個数: 40

約数和(自身を含む): 189050400

約数和(自身を除く): 108486320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 9239, 18478, 36956, 46195, 73912, 92390, 147824, 184780, 369560, 739120, 1007051, 2014102, 4028204, 5035255, 8056408, 10070510, 16112816, 20141020, 40282040, 80564080]

約数ペア:

[(1, 80564080), (2, 40282040), (4, 20141020), (5, 16112816), (8, 10070510), (10, 8056408), (16, 5035255), (20, 4028204), (40, 2014102), (80, 1007051), (109, 739120), (218, 369560), (436, 184780), (545, 147824), (872, 92390), (1090, 73912), (1744, 46195), (2180, 36956), (4360, 18478), (8720, 9239)]