13340860

素因数分解:

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

素因数の和:3982

約数の個数: 36

約数和(自身を含む): 30344328

約数和(自身を除く): 17003468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3947, 7894, 15788, 19735, 39470, 51311, 78940, 102622, 205244, 256555, 513110, 667043, 1026220, 1334086, 2668172, 3335215, 6670430, 13340860]

約数ペア:

[(1, 13340860), (2, 6670430), (4, 3335215), (5, 2668172), (10, 1334086), (13, 1026220), (20, 667043), (26, 513110), (52, 256555), (65, 205244), (130, 102622), (169, 78940), (260, 51311), (338, 39470), (676, 19735), (845, 15788), (1690, 7894), (3380, 3947)]