2021800840

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{182473}}^1$

素因数の和:182761

約数の個数: 32

約数和(自身を含む): 4565499480

約数和(自身を除く): 2543698640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 182473, 364946, 729892, 912365, 1459784, 1824730, 3649460, 7298920, 50545021, 101090042, 202180084, 252725105, 404360168, 505450210, 1010900420, 2021800840]

約数ペア:

[(1, 2021800840), (2, 1010900420), (4, 505450210), (5, 404360168), (8, 252725105), (10, 202180084), (20, 101090042), (40, 50545021), (277, 7298920), (554, 3649460), (1108, 1824730), (1385, 1459784), (2216, 912365), (2770, 729892), (5540, 364946), (11080, 182473)]