65200840

素因数分解:

$2^3\times 5^1\times {\mathrm{1630021}}^1$

素因数の和:1630032

約数の個数: 16

約数和(自身を含む): 146701980

約数和(自身を除く): 81501140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1630021, 3260042, 6520084, 8150105, 13040168, 16300210, 32600420, 65200840]

約数ペア:

[(1, 65200840), (2, 32600420), (4, 16300210), (5, 13040168), (8, 8150105), (10, 6520084), (20, 3260042), (40, 1630021)]