506740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 1146600

約数和(自身を除く): 639860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1949, 3898, 7796, 9745, 19490, 25337, 38980, 50674, 101348, 126685, 253370, 506740]

約数ペア:

[(1, 506740), (2, 253370), (4, 126685), (5, 101348), (10, 50674), (13, 38980), (20, 25337), (26, 19490), (52, 9745), (65, 7796), (130, 3898), (260, 1949)]