163166840

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{4201}}^1$

素因数の和:5183

約数の個数: 32

約数和(自身を含む): 367590960

約数和(自身を除く): 204424120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4201, 4855, 7768, 8402, 9710, 16804, 19420, 21005, 33608, 38840, 42010, 84020, 168040, 4079171, 8158342, 16316684, 20395855, 32633368, 40791710, 81583420, 163166840]

約数ペア:

[(1, 163166840), (2, 81583420), (4, 40791710), (5, 32633368), (8, 20395855), (10, 16316684), (20, 8158342), (40, 4079171), (971, 168040), (1942, 84020), (3884, 42010), (4201, 38840), (4855, 33608), (7768, 21005), (8402, 19420), (9710, 16804)]