165748820

素因数分解:

$2^2\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{3469}}^1$

素因数の和:5867

約数の個数: 24

約数和(自身を含む): 348318600

約数和(自身を除く): 182569780

約数列:

[1, 2, 4, 5, 10, 20, 2389, 3469, 4778, 6938, 9556, 11945, 13876, 17345, 23890, 34690, 47780, 69380, 8287441, 16574882, 33149764, 41437205, 82874410, 165748820]

約数ペア:

[(1, 165748820), (2, 82874410), (4, 41437205), (5, 33149764), (10, 16574882), (20, 8287441), (2389, 69380), (3469, 47780), (4778, 34690), (6938, 23890), (9556, 17345), (11945, 13876)]