19760780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76003}}^1$

素因数の和:76025

約数の個数: 24

約数和(自身を含む): 44690352

約数和(自身を除く): 24929572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76003, 152006, 304012, 380015, 760030, 988039, 1520060, 1976078, 3952156, 4940195, 9880390, 19760780]

約数ペア:

[(1, 19760780), (2, 9880390), (4, 4940195), (5, 3952156), (10, 1976078), (13, 1520060), (20, 988039), (26, 760030), (52, 380015), (65, 304012), (130, 152006), (260, 76003)]