2052440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 4974480

約数和(自身を除く): 2922040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3947, 7894, 15788, 19735, 31576, 39470, 51311, 78940, 102622, 157880, 205244, 256555, 410488, 513110, 1026220, 2052440]

約数ペア:

[(1, 2052440), (2, 1026220), (4, 513110), (5, 410488), (8, 256555), (10, 205244), (13, 157880), (20, 102622), (26, 78940), (40, 51311), (52, 39470), (65, 31576), (104, 19735), (130, 15788), (260, 7894), (520, 3947)]