171424280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104527}}^1$

素因数の和:104579

約数の個数: 32

約数和(自身を含む): 395115840

約数和(自身を除く): 223691560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 104527, 209054, 418108, 522635, 836216, 1045270, 2090540, 4181080, 4285607, 8571214, 17142428, 21428035, 34284856, 42856070, 85712140, 171424280]

約数ペア:

[(1, 171424280), (2, 85712140), (4, 42856070), (5, 34284856), (8, 21428035), (10, 17142428), (20, 8571214), (40, 4285607), (41, 4181080), (82, 2090540), (164, 1045270), (205, 836216), (328, 522635), (410, 418108), (820, 209054), (1640, 104527)]