2021605900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{200159}}^1$

素因数の和:200274

約数の個数: 36

約数和(自身を含む): 4430341440

約数和(自身を除く): 2408735540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 200159, 400318, 800636, 1000795, 2001590, 4003180, 5003975, 10007950, 20015900, 20216059, 40432118, 80864236, 101080295, 202160590, 404321180, 505401475, 1010802950, 2021605900]

約数ペア:

[(1, 2021605900), (2, 1010802950), (4, 505401475), (5, 404321180), (10, 202160590), (20, 101080295), (25, 80864236), (50, 40432118), (100, 20216059), (101, 20015900), (202, 10007950), (404, 5003975), (505, 4003180), (1010, 2001590), (2020, 1000795), (2525, 800636), (5050, 400318), (10100, 200159)]