1026220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3969

約数の個数: 24

約数和(自身を含む): 2321424

約数和(自身を除く): 1295204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3947, 7894, 15788, 19735, 39470, 51311, 78940, 102622, 205244, 256555, 513110, 1026220]

約数ペア:

[(1, 1026220), (2, 513110), (4, 256555), (5, 205244), (10, 102622), (13, 78940), (20, 51311), (26, 39470), (52, 19735), (65, 15788), (130, 7894), (260, 3947)]