165270080

素因数分解:

$2^6\times 5^1\times {\mathrm{516469}}^1$

素因数の和:516486

約数の個数: 28

約数和(自身を含む): 393550140

約数和(自身を除く): 228280060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 516469, 1032938, 2065876, 2582345, 4131752, 5164690, 8263504, 10329380, 16527008, 20658760, 33054016, 41317520, 82635040, 165270080]

約数ペア:

[(1, 165270080), (2, 82635040), (4, 41317520), (5, 33054016), (8, 20658760), (10, 16527008), (16, 10329380), (20, 8263504), (32, 5164690), (40, 4131752), (64, 2582345), (80, 2065876), (160, 1032938), (320, 516469)]