2013948820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{106109}}^1$

素因数の和:106204

約数の個数: 48

約数和(自身を含む): 4617058320

約数和(自身を除く): 2603109500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 9490, 18980, 106109, 212218, 424436, 530545, 1061090, 1379417, 2122180, 2758834, 5517668, 6897085, 7745957, 13794170, 15491914, 27588340, 30983828, 38729785, 77459570, 100697441, 154919140, 201394882, 402789764, 503487205, 1006974410, 2013948820]

約数ペア:

[(1, 2013948820), (2, 1006974410), (4, 503487205), (5, 402789764), (10, 201394882), (13, 154919140), (20, 100697441), (26, 77459570), (52, 38729785), (65, 30983828), (73, 27588340), (130, 15491914), (146, 13794170), (260, 7745957), (292, 6897085), (365, 5517668), (730, 2758834), (949, 2122180), (1460, 1379417), (1898, 1061090), (3796, 530545), (4745, 424436), (9490, 212218), (18980, 106109)]