51142180

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{12119}}^1$

素因数の和:12339

約数の個数: 24

約数和(自身を含む): 107916480

約数和(自身を除く): 56774300

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 12119, 24238, 48476, 60595, 121190, 242380, 2557109, 5114218, 10228436, 12785545, 25571090, 51142180]

約数ペア:

[(1, 51142180), (2, 25571090), (4, 12785545), (5, 10228436), (10, 5114218), (20, 2557109), (211, 242380), (422, 121190), (844, 60595), (1055, 48476), (2110, 24238), (4220, 12119)]