2655560

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 6023160

約数和(自身を除く): 3367600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 337, 394, 674, 788, 985, 1348, 1576, 1685, 1970, 2696, 3370, 3940, 6740, 7880, 13480, 66389, 132778, 265556, 331945, 531112, 663890, 1327780, 2655560]

約数ペア:

[(1, 2655560), (2, 1327780), (4, 663890), (5, 531112), (8, 331945), (10, 265556), (20, 132778), (40, 66389), (197, 13480), (337, 7880), (394, 6740), (674, 3940), (788, 3370), (985, 2696), (1348, 1970), (1576, 1685)]