201402686890

素因数分解:

$2^1\times 5^1\times {\mathrm{20509}}^1\times {\mathrm{982021}}^1$

素因数の和:1002537

約数の個数: 16

約数和(自身を含む): 362542881960

約数和(自身を除く): 161140195070

約数列:

[1, 2, 5, 10, 20509, 41018, 102545, 205090, 982021, 1964042, 4910105, 9820210, 20140268689, 40280537378, 100701343445, 201402686890]

約数ペア:

[(1, 201402686890), (2, 100701343445), (5, 40280537378), (10, 20140268689), (20509, 9820210), (41018, 4910105), (102545, 1964042), (205090, 982021)]