209526260

素因数分解:

$2^2\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{6277}}^1$

素因数の和:7955

約数の個数: 24

約数和(自身を含む): 440338920

約数和(自身を除く): 230812660

約数列:

[1, 2, 4, 5, 10, 20, 1669, 3338, 6277, 6676, 8345, 12554, 16690, 25108, 31385, 33380, 62770, 125540, 10476313, 20952626, 41905252, 52381565, 104763130, 209526260]

約数ペア:

[(1, 209526260), (2, 104763130), (4, 52381565), (5, 41905252), (10, 20952626), (20, 10476313), (1669, 125540), (3338, 62770), (6277, 33380), (6676, 31385), (8345, 25108), (12554, 16690)]