2008172900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{198829}}^1$

素因数の和:198944

約数の個数: 36

約数和(自身を含む): 4400903220

約数和(自身を除く): 2392730320

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 198829, 397658, 795316, 994145, 1988290, 3976580, 4970725, 9941450, 19882900, 20081729, 40163458, 80326916, 100408645, 200817290, 401634580, 502043225, 1004086450, 2008172900]

約数ペア:

[(1, 2008172900), (2, 1004086450), (4, 502043225), (5, 401634580), (10, 200817290), (20, 100408645), (25, 80326916), (50, 40163458), (100, 20081729), (101, 19882900), (202, 9941450), (404, 4970725), (505, 3976580), (1010, 1988290), (2020, 994145), (2525, 795316), (5050, 397658), (10100, 198829)]