39779090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2126

約数の個数: 32

約数和(自身を含む): 77641200

約数和(自身を除く): 37862110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 1949, 2041, 3898, 4082, 9745, 10205, 19490, 20410, 25337, 50674, 126685, 253370, 305993, 611986, 1529965, 3059930, 3977909, 7955818, 19889545, 39779090]

約数ペア:

[(1, 39779090), (2, 19889545), (5, 7955818), (10, 3977909), (13, 3059930), (26, 1529965), (65, 611986), (130, 305993), (157, 253370), (314, 126685), (785, 50674), (1570, 25337), (1949, 20410), (2041, 19490), (3898, 10205), (4082, 9745)]